125816504 has 16 divisors (see below), whose sum is σ = 257352120. Its totient is φ = 57189280.

The previous prime is 125816477. The next prime is 125816519. The reversal of 125816504 is 405618521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714779 + ... + 714954.

Almost surely, 2^125816504 is an apocalyptic number.

It is an amenable number.

125816504 is an abundant number, since it is smaller than the sum of its proper divisors (131535616).

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

125816504 is a wasteful number, since it uses less digits than its factorization.

125816504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429750 (or 1429746 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 125816504 is about 11216.7956208536. The cubic root of 125816504 is about 501.0863101513.

The spelling of 125816504 in words is "one hundred twenty-five million, eight hundred sixteen thousand, five hundred four".