118109930 has 32 divisors (see below), whose sum is σ = 218792448. Its totient is φ = 45878400.

The previous prime is 118109903. The next prime is 118109939. The reversal of 118109930 is 39901811.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (118109939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110579 + ... + 111641.

It is an arithmetic number, because the mean of its divisors is an integer number (6837264).

Almost surely, 2^118109930 is an apocalyptic number.

118109930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118109930 is a deficient number, since it is larger than the sum of its proper divisors (100682518).

118109930 is a wasteful number, since it uses less digits than its factorization.

118109930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 118109930 is about 10867.8392516636. The cubic root of 118109930 is about 490.6390800454.

The spelling of 118109930 in words is "one hundred eighteen million, one hundred nine thousand, nine hundred thirty".