113197999 has 2 divisors, whose sum is σ = 113198000. Its totient is φ = 113197998.

The previous prime is 113197979. The next prime is 113198003. The reversal of 113197999 is 999791311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113197999 - 2⁵ = 113197967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113197919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56598999 + 56599000.

It is an arithmetic number, because the mean of its divisors is an integer number (56599000).

Almost surely, 2^113197999 is an apocalyptic number.

113197999 is a deficient number, since it is larger than the sum of its proper divisors (1).

113197999 is an equidigital number, since it uses as much as digits as its factorization.

113197999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137781, while the sum is 49.

The square root of 113197999 is about 10639.4548262587. The cubic root of 113197999 is about 483.7410206943.

The spelling of 113197999 in words is "one hundred thirteen million, one hundred ninety-seven thousand, nine hundred ninety-nine".