118354999 has 4 divisors (see below), whose sum is σ = 135262864. Its totient is φ = 101447136.

The previous prime is 118354967. The next prime is 118355011. The reversal of 118354999 is 999453811.

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

It is not a de Polignac number, because 118354999 - 2⁵ = 118354967 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 (118354919) 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, 8453922 + ... + 8453935.

It is an arithmetic number, because the mean of its divisors is an integer number (33815716).

Almost surely, 2^118354999 is an apocalyptic number.

118354999 is a deficient number, since it is larger than the sum of its proper divisors (16907865).

118354999 is an equidigital number, since it uses as much as digits as its factorization.

118354999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907864.

The product of its digits is 349920, while the sum is 49.

The square root of 118354999 is about 10879.1083733916. The cubic root of 118354999 is about 490.9781916997.

The spelling of 118354999 in words is "one hundred eighteen million, three hundred fifty-four thousand, nine hundred ninety-nine".