Find the Reverse of a Number

  • November 27, 2022
  • C++
Accessing Elements

When a number is reversed, the digits are rearranged in reverse order, starting with the last digit, then the second-to-last digit, and so on, with the first digit appearing last.

Program Code:

#include <iostream>
using namespace std;

/* Iterative function to reverse digits of num*/
int reverseDigits(int num)
	int rev = 0;
	while (num > 0) {
		rev = rev * 10 + num % 10;
		num = num / 10;
	return rev;

/*Driver program to test reverseDigits*/
int main()
	int num ;
	cin>> num;
    cout<<"Reverse of no. is " << reverseDigits(num);

	return 0;


Reverse of no. is12854

Note: also read about Armstrong Number in C++

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