115287075 has 36 divisors (see below), whose sum is σ = 209350440. Its totient is φ = 60635520.

The previous prime is 115287071. The next prime is 115287091. The reversal of 115287075 is 570782511.

It is not a de Polignac number, because 115287075 - 2² = 115287071 is a prime.

It is a super-2 number, since 2×115287075² = 26582219324111250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115287071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12916 + ... + 19934.

It is an arithmetic number, because the mean of its divisors is an integer number (5815290).

Almost surely, 2^115287075 is an apocalyptic number.

115287075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115287075 is a deficient number, since it is larger than the sum of its proper divisors (94063365).

115287075 is a wasteful number, since it uses less digits than its factorization.

115287075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 115287075 is about 10737.1818928432. The cubic root of 115287075 is about 486.6987231548.

The spelling of 115287075 in words is "one hundred fifteen million, two hundred eighty-seven thousand, seventy-five".