118861800 has 96 divisors (see below), whose sum is σ = 370140000. Its totient is φ = 31553280.

The previous prime is 118861759. The next prime is 118861801. The reversal of 118861800 is 8168811.

It is not an unprimeable number, because it can be changed into a prime (118861801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237951 + ... + 238449.

It is an arithmetic number, because the mean of its divisors is an integer number (3855625).

Almost surely, 2^118861800 is an apocalyptic number.

118861800 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 118861800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185070000).

118861800 is an abundant number, since it is smaller than the sum of its proper divisors (251278200).

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

118861800 is a wasteful number, since it uses less digits than its factorization.

118861800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 118861800 is about 10902.3758878512. The cubic root of 118861800 is about 491.6779900996.

The spelling of 118861800 in words is "one hundred eighteen million, eight hundred sixty-one thousand, eight hundred".