125115315 has 32 divisors (see below), whose sum is σ = 221422656. Its totient is φ = 59927040.

The previous prime is 125115307. The next prime is 125115343. The reversal of 125115315 is 513511521.

It is not a de Polignac number, because 125115315 - 2³ = 125115307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (6919458).

Almost surely, 2^125115315 is an apocalyptic number.

125115315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125115315 is a deficient number, since it is larger than the sum of its proper divisors (96307341).

125115315 is a wasteful number, since it uses less digits than its factorization.

125115315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17399.

The product of its digits is 750, while the sum is 24.

The square root of 125115315 is about 11185.4957422548. The cubic root of 125115315 is about 500.1537060774.

Adding to 125115315 its reverse (513511521), we get a palindrome (638626836).

It can be divided in two parts, 125 and 115315, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 125115315 in words is "one hundred twenty-five million, one hundred fifteen thousand, three hundred fifteen".