118112840 has 32 divisors (see below), whose sum is σ = 266242680. Its totient is φ = 47158272.

The previous prime is 118112807. The next prime is 118112849. The reversal of 118112840 is 48211811.

It can be written as a sum of positive squares in 4 ways, for example, as 27520516 + 90592324 = 5246^2 + 9518^2 .

It is not an unprimeable number, because it can be changed into a prime (118112849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22112 + ... + 26928.

Almost surely, 2^118112840 is an apocalyptic number.

118112840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118112840 is an abundant number, since it is smaller than the sum of its proper divisors (148129840).

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

118112840 is a wasteful number, since it uses less digits than its factorization.

118112840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441 (or 5437 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 118112840 is about 10867.9731320978. The cubic root of 118112840 is about 490.6431094780.

The spelling of 118112840 in words is "one hundred eighteen million, one hundred twelve thousand, eight hundred forty".