124989928 has 32 divisors (see below), whose sum is σ = 268200000. Its totient is φ = 53494272.

The previous prime is 124989883. The next prime is 124989937. The reversal of 124989928 is 829989421.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69051 + ... + 70837.

It is an arithmetic number, because the mean of its divisors is an integer number (8381250).

Almost surely, 2^124989928 is an apocalyptic number.

It is an amenable number.

124989928 is an abundant number, since it is smaller than the sum of its proper divisors (143210072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124989928 is a wasteful number, since it uses less digits than its factorization.

124989928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3045 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 124989928 is about 11179.8894448917. The cubic root of 124989928 is about 499.9865703060.

The spelling of 124989928 in words is "one hundred twenty-four million, nine hundred eighty-nine thousand, nine hundred twenty-eight".