118681240 has 16 divisors (see below), whose sum is σ = 267032880. Its totient is φ = 47472480.

The previous prime is 118681231. The next prime is 118681243. The reversal of 118681240 is 42186811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118681243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483476 + ... + 1483555.

It is an arithmetic number, because the mean of its divisors is an integer number (16689555).

Almost surely, 2^118681240 is an apocalyptic number.

118681240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118681240 is an abundant number, since it is smaller than the sum of its proper divisors (148351640).

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

118681240 is a wasteful number, since it uses less digits than its factorization.

118681240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967042 (or 2967038 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 118681240 is about 10894.0919768469. The cubic root of 118681240 is about 491.4288986644.

The spelling of 118681240 in words is "one hundred eighteen million, six hundred eighty-one thousand, two hundred forty".