118218120 has 32 divisors (see below), whose sum is σ = 354654720. Its totient is φ = 31524800.

The previous prime is 118218109. The next prime is 118218169. The reversal of 118218120 is 21812811.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 492456 + ... + 492695.

It is an arithmetic number, because the mean of its divisors is an integer number (11082960).

Almost surely, 2^118218120 is an apocalyptic number.

118218120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118218120 is an abundant number, since it is smaller than the sum of its proper divisors (236436600).

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

118218120 is a wasteful number, since it uses less digits than its factorization.

118218120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985165 (or 985161 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 118218120 is about 10872.8156426935. The cubic root of 118218120 is about 490.7888445977.

Adding to 118218120 its product of nonzero digits (256), we get a triangular number (118218376 = T₁₅₃₇₆).

The spelling of 118218120 in words is "one hundred eighteen million, two hundred eighteen thousand, one hundred twenty".