125131160 has 64 divisors (see below), whose sum is σ = 351025920. Its totient is φ = 39000960.

The previous prime is 125131147. The next prime is 125131177. The reversal of 125131160 is 61131521.

125131160 = 435² + 436² + ... + 770².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 17234 + ... + 23393.

It is an arithmetic number, because the mean of its divisors is an integer number (5484780).

Almost surely, 2^125131160 is an apocalyptic number.

125131160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125131160 is an abundant number, since it is smaller than the sum of its proper divisors (225894760).

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

125131160 is a wasteful number, since it uses less digits than its factorization.

125131160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40656 (or 40652 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 125131160 is about 11186.2040031460. The cubic root of 125131160 is about 500.1748188696.

Adding to 125131160 its reverse (61131521), we get a palindrome (186262681).

The spelling of 125131160 in words is "one hundred twenty-five million, one hundred thirty-one thousand, one hundred sixty".