124622728 has 32 divisors (see below), whose sum is σ = 243394560. Its totient is φ = 59754240.

The previous prime is 124622723. The next prime is 124622731. The reversal of 124622728 is 827226421.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 124622693 and 124622702.

It is not an unprimeable number, because it can be changed into a prime (124622723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25801 + ... + 30247.

It is an arithmetic number, because the mean of its divisors is an integer number (7606080).

Almost surely, 2^124622728 is an apocalyptic number.

It is an amenable number.

124622728 is a deficient number, since it is larger than the sum of its proper divisors (118771832).

124622728 is a wasteful number, since it uses less digits than its factorization.

124622728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597 (or 4593 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 124622728 is about 11163.4550207362. The cubic root of 124622728 is about 499.4964637394.

The spelling of 124622728 in words is "one hundred twenty-four million, six hundred twenty-two thousand, seven hundred twenty-eight".