118609920 has 480 divisors, whose sum is σ = 499458960. Its totient is φ = 26542080.

The previous prime is 118609903. The next prime is 118609921. The reversal of 118609920 is 29906811.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118609921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9123834 + ... + 9123846.

Almost surely, 2^118609920 is an apocalyptic number.

118609920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118609920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249729480).

118609920 is an abundant number, since it is smaller than the sum of its proper divisors (380849040).

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

118609920 is a wasteful number, since it uses less digits than its factorization.

118609920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 118609920 is about 10890.8181510849. The cubic root of 118609920 is about 491.3304395985.

The spelling of 118609920 in words is "one hundred eighteen million, six hundred nine thousand, nine hundred twenty".