115499187 has 6 divisors (see below), whose sum is σ = 166832172. Its totient is φ = 76999452.

The previous prime is 115499183. The next prime is 115499201. The reversal of 115499187 is 781994511.

It is a happy number.

115499187 is a `hidden beast` number, since 11 + 549 + 91 + 8 + 7 = 666.

It is not a de Polignac number, because 115499187 - 2² = 115499183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115499183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6416613 + ... + 6416630.

It is an arithmetic number, because the mean of its divisors is an integer number (27805362).

Almost surely, 2^115499187 is an apocalyptic number.

115499187 is a deficient number, since it is larger than the sum of its proper divisors (51332985).

115499187 is a wasteful number, since it uses less digits than its factorization.

115499187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833249 (or 12833246 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 115499187 is about 10747.0548058526. The cubic root of 115499187 is about 486.9970260125.

It can be divided in two parts, 11549 and 9187, that added together give a 4-th power (20736 = 12⁴).

The spelling of 115499187 in words is "one hundred fifteen million, four hundred ninety-nine thousand, one hundred eighty-seven".