125160520 has 32 divisors (see below), whose sum is σ = 291324600. Its totient is φ = 48337408.

The previous prime is 125160509. The next prime is 125160527. The reversal of 125160520 is 25061521.

It can be written as a sum of positive squares in 4 ways, for example, as 97891236 + 27269284 = 9894^2 + 5222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125160491 and 125160500.

It is not an unprimeable number, because it can be changed into a prime (125160527) 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, 52789 + ... + 55108.

Almost surely, 2^125160520 is an apocalyptic number.

125160520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125160520 is an abundant number, since it is smaller than the sum of its proper divisors (166164080).

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

125160520 is a wasteful number, since it uses less digits than its factorization.

125160520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107937 (or 107933 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125160520 is about 11187.5162569714. The cubic root of 125160520 is about 500.2139351171.

The spelling of 125160520 in words is "one hundred twenty-five million, one hundred sixty thousand, five hundred twenty".