115294987 has 2 divisors, whose sum is σ = 115294988. Its totient is φ = 115294986.

The previous prime is 115294979. The next prime is 115294999. The reversal of 115294987 is 789492511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115294987 - 2³ = 115294979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115294937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57647493 + 57647494.

It is an arithmetic number, because the mean of its divisors is an integer number (57647494).

Almost surely, 2^115294987 is an apocalyptic number.

115294987 is a deficient number, since it is larger than the sum of its proper divisors (1).

115294987 is an equidigital number, since it uses as much as digits as its factorization.

115294987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 115294987 is about 10737.5503258425. The cubic root of 115294987 is about 486.7098567307.

It can be divided in two parts, 115294 and 987, that added together give a square (116281 = 341²).

The spelling of 115294987 in words is "one hundred fifteen million, two hundred ninety-four thousand, nine hundred eighty-seven".