115125231 has 32 divisors (see below), whose sum is σ = 170247168. Its totient is φ = 68757120.

The previous prime is 115125223. The next prime is 115125247. The reversal of 115125231 is 132521511.

115125231 = T₃₈ + T₃₉ + ... + T₈₈₃.

It is not a de Polignac number, because 115125231 - 2³ = 115125223 is a prime.

It is a super-2 number, since 2×115125231² = 26507637625606722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115125198 and 115125207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115125211) 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 31 ways as a sum of consecutive naturals, for example, 331600 + ... + 331946.

It is an arithmetic number, because the mean of its divisors is an integer number (5320224).

Almost surely, 2^115125231 is an apocalyptic number.

115125231 is a deficient number, since it is larger than the sum of its proper divisors (55121937).

115125231 is a wasteful number, since it uses less digits than its factorization.

115125231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 300, while the sum is 21.

The square root of 115125231 is about 10729.6426315139. The cubic root of 115125231 is about 486.4708683075.

Adding to 115125231 its reverse (132521511), we get a palindrome (247646742).

The spelling of 115125231 in words is "one hundred fifteen million, one hundred twenty-five thousand, two hundred thirty-one".