125135115 has 32 divisors (see below), whose sum is σ = 230515200. Its totient is φ = 56780544.

The previous prime is 125135107. The next prime is 125135119. The reversal of 125135115 is 511531521.

It is not a de Polignac number, because 125135115 - 2³ = 125135107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125135119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10036 + ... + 18734.

It is an arithmetic number, because the mean of its divisors is an integer number (7203600).

Almost surely, 2^125135115 is an apocalyptic number.

125135115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125135115 is a deficient number, since it is larger than the sum of its proper divisors (105380085).

125135115 is a wasteful number, since it uses less digits than its factorization.

125135115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851.

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

The square root of 125135115 is about 11186.3807820045. The cubic root of 125135115 is about 500.1800884618.

Adding to 125135115 its reverse (511531521), we get a palindrome (636666636).

It can be divided in two parts, 125135 and 115, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 125135115 in words is "one hundred twenty-five million, one hundred thirty-five thousand, one hundred fifteen".