118451980 has 24 divisors (see below), whose sum is σ = 252464688. Its totient is φ = 46673088.

The previous prime is 118451867. The next prime is 118452017. The reversal of 118451980 is 89154811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42859 + ... + 45538.

It is an arithmetic number, because the mean of its divisors is an integer number (10519362).

Almost surely, 2^118451980 is an apocalyptic number.

118451980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118451980 is an abundant number, since it is smaller than the sum of its proper divisors (134012708).

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

118451980 is a wasteful number, since it uses less digits than its factorization.

118451980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88473 (or 88471 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 118451980 is about 10883.5646733963. The cubic root of 118451980 is about 491.1122588615.

The spelling of 118451980 in words is "one hundred eighteen million, four hundred fifty-one thousand, nine hundred eighty".