118998920 has 16 divisors (see below), whose sum is σ = 267747660. Its totient is φ = 47599552.

The previous prime is 118998889. The next prime is 118998961. The reversal of 118998920 is 29899811.

It can be written as a sum of positive squares in 2 ways, for example, as 96550276 + 22448644 = 9826^2 + 4738^2 .

It is a super-2 number, since 2×118998920² = 28321485922332800, which contains 22 as substring.

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, 1487447 + ... + 1487526.

Almost surely, 2^118998920 is an apocalyptic number.

118998920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118998920 is an abundant number, since it is smaller than the sum of its proper divisors (148748740).

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

118998920 is a wasteful number, since it uses less digits than its factorization.

118998920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974984 (or 2974980 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 118998920 is about 10908.6626128046. The cubic root of 118998920 is about 491.8669854359.

The spelling of 118998920 in words is "one hundred eighteen million, nine hundred ninety-eight thousand, nine hundred twenty".