125072530625 has 30 divisors (see below), whose sum is σ = 181807517034. Its totient is φ = 85764000000.

The previous prime is 125072530613. The next prime is 125072530651. The reversal of 125072530625 is 526035270521.

It can be written as a sum of positive squares in 5 ways, for example, as 83951585536 + 41120945089 = 289744^2 + 202783^2 .

It is not a de Polignac number, because 125072530625 - 2²⁰ = 125071482049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2011376 + ... + 2072625.

Almost surely, 2^125072530625 is an apocalyptic number.

It is an amenable number.

125072530625 is a deficient number, since it is larger than the sum of its proper divisors (56734986409).

125072530625 is an frugal number, since it uses more digits than its factorization.

125072530625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084035 (or 4084013 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 125072530625 in words is "one hundred twenty-five billion, seventy-two million, five hundred thirty thousand, six hundred twenty-five".