115248987 has 80 divisors (see below), whose sum is σ = 209552640. Its totient is φ = 61725888.

The previous prime is 115248943. The next prime is 115249019. The reversal of 115248987 is 789842511.

It is not a de Polignac number, because 115248987 - 2⁶ = 115248923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115248937) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 706968 + ... + 707130.

It is an arithmetic number, because the mean of its divisors is an integer number (2619408).

Almost surely, 2^115248987 is an apocalyptic number.

115248987 is a deficient number, since it is larger than the sum of its proper divisors (94303653).

115248987 is a wasteful number, since it uses less digits than its factorization.

115248987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 245 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 115248987 is about 10735.4080965746. The cubic root of 115248987 is about 486.6451195085.

The spelling of 115248987 in words is "one hundred fifteen million, two hundred forty-eight thousand, nine hundred eighty-seven".