124920804 has 48 divisors (see below), whose sum is σ = 296817920. Its totient is φ = 40884480.

The previous prime is 124920781. The next prime is 124920821. The reversal of 124920804 is 408029421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296514 + ... + 296934.

Almost surely, 2^124920804 is an apocalyptic number.

It is an amenable number.

124920804 is an abundant number, since it is smaller than the sum of its proper divisors (171897116).

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

124920804 is a wasteful number, since it uses less digits than its factorization.

124920804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 124920804 is about 11176.7975735449. The cubic root of 124920804 is about 499.8943830250.

The spelling of 124920804 in words is "one hundred twenty-four million, nine hundred twenty thousand, eight hundred four".