113920999 has 4 divisors (see below), whose sum is σ = 113981400. Its totient is φ = 113860600.

The previous prime is 113920993. The next prime is 113921021. The reversal of 113920999 is 999029311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113920999 - 2¹⁷ = 113789927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113920993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27277 + ... + 31174.

It is an arithmetic number, because the mean of its divisors is an integer number (28495350).

Almost surely, 2^113920999 is an apocalyptic number.

113920999 is a deficient number, since it is larger than the sum of its proper divisors (60401).

113920999 is an equidigital number, since it uses as much as digits as its factorization.

113920999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60400.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 113920999 is about 10673.3780500833. The cubic root of 113920999 is about 484.7687266635.

The spelling of 113920999 in words is "one hundred thirteen million, nine hundred twenty thousand, nine hundred ninety-nine".