157120625 has 10 divisors (see below), whose sum is σ = 196338714. Its totient is φ = 125696000.

The previous prime is 157120603. The next prime is 157120627. The reversal of 157120625 is 526021751.

It can be written as a sum of positive squares in 5 ways, for example, as 70090384 + 87030241 = 8372^2 + 9329^2 .

It is not a de Polignac number, because 157120625 - 2²⁴ = 140343409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157120627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125072 + ... + 126321.

Almost surely, 2^157120625 is an apocalyptic number.

It is an amenable number.

157120625 is a deficient number, since it is larger than the sum of its proper divisors (39218089).

157120625 is an frugal number, since it uses more digits than its factorization.

157120625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251413 (or 251398 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 157120625 is about 12534.7766234584. The cubic root of 157120625 is about 539.6071960480.

The spelling of 157120625 in words is "one hundred fifty-seven million, one hundred twenty thousand, six hundred twenty-five".