115240999 has 2 divisors, whose sum is σ = 115241000. Its totient is φ = 115240998.

The previous prime is 115240997. The next prime is 115241029. The reversal of 115240999 is 999042511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115240999 - 2¹ = 115240997 is a prime.

Together with 115240997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115240997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57620499 + 57620500.

It is an arithmetic number, because the mean of its divisors is an integer number (57620500).

Almost surely, 2^115240999 is an apocalyptic number.

115240999 is a deficient number, since it is larger than the sum of its proper divisors (1).

115240999 is an equidigital number, since it uses as much as digits as its factorization.

115240999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 115240999 is about 10735.0360502422. The cubic root of 115240999 is about 486.6338759938.

The spelling of 115240999 in words is "one hundred fifteen million, two hundred forty thousand, nine hundred ninety-nine".