125001387625 has 16 divisors (see below), whose sum is σ = 156114910224. Its totient is φ = 99928560000.

The previous prime is 125001387607. The next prime is 125001387631. The reversal of 125001387625 is 526783100521.

It can be written as a sum of positive squares in 8 ways, for example, as 21682857001 + 103318530624 = 147251^2 + 321432^2 .

It is not a de Polignac number, because 125001387625 - 2¹⁵ = 125001354857 is a prime.

It is a Duffinian 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, 189436 + ... + 534685.

It is an arithmetic number, because the mean of its divisors is an integer number (9757181889).

Almost surely, 2^125001387625 is an apocalyptic number.

It is an amenable number.

125001387625 is a deficient number, since it is larger than the sum of its proper divisors (31113522599).

125001387625 is an equidigital number, since it uses as much as digits as its factorization.

125001387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725517 (or 725507 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 125001387625 in words is "one hundred twenty-five billion, one million, three hundred eighty-seven thousand, six hundred twenty-five".