118380972 has 12 divisors (see below), whose sum is σ = 276222296. Its totient is φ = 39460320.

The previous prime is 118380953. The next prime is 118381037. The reversal of 118380972 is 279083811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 118380972.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4932529 + ... + 4932552.

Almost surely, 2^118380972 is an apocalyptic number.

118380972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118380972 is an abundant number, since it is smaller than the sum of its proper divisors (157841324).

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

118380972 is a wasteful number, since it uses less digits than its factorization.

118380972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865088 (or 9865086 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 118380972 is about 10880.3020178670. The cubic root of 118380972 is about 491.0141041213.

The spelling of 118380972 in words is "one hundred eighteen million, three hundred eighty thousand, nine hundred seventy-two".