118871730 has 48 divisors (see below), whose sum is σ = 311148864. Its totient is φ = 31485600.

The previous prime is 118871729. The next prime is 118871741. The reversal of 118871730 is 37178811.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9217 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (6482268).

Almost surely, 2^118871730 is an apocalyptic number.

118871730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118871730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155574432).

118871730 is an abundant number, since it is smaller than the sum of its proper divisors (192277134).

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

118871730 is a wasteful number, since it uses less digits than its factorization.

118871730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911 (or 8908 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

The square root of 118871730 is about 10902.8312836621. The cubic root of 118871730 is about 491.6916817047.

The spelling of 118871730 in words is "one hundred eighteen million, eight hundred seventy-one thousand, seven hundred thirty".