118291180 has 48 divisors (see below), whose sum is σ = 288158976. Its totient is φ = 39948480.

The previous prime is 118291163. The next prime is 118291193. The reversal of 118291180 is 81192811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3075 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (6003312).

Almost surely, 2^118291180 is an apocalyptic number.

118291180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118291180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144079488).

118291180 is an abundant number, since it is smaller than the sum of its proper divisors (169867796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118291180 is a wasteful number, since it uses less digits than its factorization.

118291180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694 (or 12692 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 118291180 is about 10876.1748790648. The cubic root of 118291180 is about 490.8899279422.

The spelling of 118291180 in words is "one hundred eighteen million, two hundred ninety-one thousand, one hundred eighty".