115123199 has 2 divisors, whose sum is σ = 115123200. Its totient is φ = 115123198.

The previous prime is 115123159. The next prime is 115123207. The reversal of 115123199 is 991321511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115123199 - 2²⁴ = 98345983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115123159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57561599 + 57561600.

It is an arithmetic number, because the mean of its divisors is an integer number (57561600).

Almost surely, 2^115123199 is an apocalyptic number.

115123199 is a deficient number, since it is larger than the sum of its proper divisors (1).

115123199 is an equidigital number, since it uses as much as digits as its factorization.

115123199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 32.

The square root of 115123199 is about 10729.5479401511. The cubic root of 115123199 is about 486.4680061645.

The spelling of 115123199 in words is "one hundred fifteen million, one hundred twenty-three thousand, one hundred ninety-nine".