115240687 has 2 divisors, whose sum is σ = 115240688. Its totient is φ = 115240686.

The previous prime is 115240679. The next prime is 115240703. The reversal of 115240687 is 786042511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115240687 - 2³ = 115240679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115240987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57620343 + 57620344.

It is an arithmetic number, because the mean of its divisors is an integer number (57620344).

Almost surely, 2^115240687 is an apocalyptic number.

115240687 is a deficient number, since it is larger than the sum of its proper divisors (1).

115240687 is an equidigital number, since it uses as much as digits as its factorization.

115240687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 115240687 is about 10735.0215183762. The cubic root of 115240687 is about 486.6334368275.

The spelling of 115240687 in words is "one hundred fifteen million, two hundred forty thousand, six hundred eighty-seven".