125539315 has 24 divisors (see below), whose sum is σ = 168441840. Its totient is φ = 89728320.

The previous prime is 125539301. The next prime is 125539319. The reversal of 125539315 is 513935521.

It is not a de Polignac number, because 125539315 - 2⁵ = 125539283 is a prime.

It is a super-2 number, since 2×125539315² = 31520239221338450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125539319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33937 + ... + 37453.

It is an arithmetic number, because the mean of its divisors is an integer number (7018410).

Almost surely, 2^125539315 is an apocalyptic number.

125539315 is a deficient number, since it is larger than the sum of its proper divisors (42902525).

125539315 is a wasteful number, since it uses less digits than its factorization.

125539315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603 (or 3592 counting only the distinct ones).

The product of its digits is 20250, while the sum is 34.

The square root of 125539315 is about 11204.4328281266. The cubic root of 125539315 is about 500.7180549672.

The spelling of 125539315 in words is "one hundred twenty-five million, five hundred thirty-nine thousand, three hundred fifteen".