125116115 has 16 divisors (see below), whose sum is σ = 153764352. Its totient is φ = 97688544.

The previous prime is 125116099. The next prime is 125116127. The reversal of 125116115 is 511611521.

It is a cyclic number.

It is not a de Polignac number, because 125116115 - 2⁴ = 125116099 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 137492 + ... + 138398.

It is an arithmetic number, because the mean of its divisors is an integer number (9610272).

Almost surely, 2^125116115 is an apocalyptic number.

125116115 is a deficient number, since it is larger than the sum of its proper divisors (28648237).

125116115 is an equidigital number, since it uses as much as digits as its factorization.

125116115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its digits is 300, while the sum is 23.

The square root of 125116115 is about 11185.5315027941. The cubic root of 125116115 is about 500.1547720863.

Adding to 125116115 its reverse (511611521), we get a palindrome (636727636).

The spelling of 125116115 in words is "one hundred twenty-five million, one hundred sixteen thousand, one hundred fifteen".