113128199 has 2 divisors, whose sum is σ = 113128200. Its totient is φ = 113128198.

The previous prime is 113128177. The next prime is 113128247. The reversal of 113128199 is 991821311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113128199 - 2⁸ = 113127943 is a prime.

It is a Sophie Germain 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 (113128139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56564099 + 56564100.

It is an arithmetic number, because the mean of its divisors is an integer number (56564100).

Almost surely, 2^113128199 is an apocalyptic number.

113128199 is a deficient number, since it is larger than the sum of its proper divisors (1).

113128199 is an equidigital number, since it uses as much as digits as its factorization.

113128199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 35.

The square root of 113128199 is about 10636.1740771764. The cubic root of 113128199 is about 483.6415723355.

The spelling of 113128199 in words is "one hundred thirteen million, one hundred twenty-eight thousand, one hundred ninety-nine".