125013537 has 24 divisors (see below), whose sum is σ = 204291360. Its totient is φ = 75764160.

The previous prime is 125013527. The next prime is 125013541. The reversal of 125013537 is 735310521.

125013537 is a `hidden beast` number, since 125 + 0 + 1 + 3 + 537 = 666.

It is not a de Polignac number, because 125013537 - 2¹⁴ = 124997153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 125013537.

It is not an unprimeable number, because it can be changed into a prime (125013527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20712 + ... + 26057.

It is an arithmetic number, because the mean of its divisors is an integer number (8512140).

Almost surely, 2^125013537 is an apocalyptic number.

It is an amenable number.

125013537 is a deficient number, since it is larger than the sum of its proper divisors (79277823).

125013537 is an equidigital number, since it uses as much as digits as its factorization.

125013537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46795 (or 46783 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 125013537 is about 11180.9452641537. The cubic root of 125013537 is about 500.0180486818.

The spelling of 125013537 in words is "one hundred twenty-five million, thirteen thousand, five hundred thirty-seven".