125512 has 16 divisors (see below), whose sum is σ = 243900. Its totient is φ = 60480.

The previous prime is 125509. The next prime is 125527. The reversal of 125512 is 215521.

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 196 = 354^2 + 14^2 .

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39 + ... + 502.

2¹²⁵⁵¹² is an apocalyptic number.

It is an amenable number.

125512 is a deficient number, since it is larger than the sum of its proper divisors (118388).

125512 is a wasteful number, since it uses less digits than its factorization.

125512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 572 counting only the distinct ones).

The product of its digits is 100, while the sum is 16.

The square root of 125512 is about 354.2767279966. The cubic root of 125512 is about 50.0681736714.

Subtracting 125512 from its reverse (215521), we obtain a palindrome (90009).

It can be divided in two parts, 125 and 512, that multiplied together give a cube (64000 = 40³).

The spelling of 125512 in words is "one hundred twenty-five thousand, five hundred twelve".