118230100 has 72 divisors (see below), whose sum is σ = 270295200. Its totient is φ = 44822400.

The previous prime is 118230089. The next prime is 118230107. The reversal of 118230100 is 1032811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118230107) 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, 170755 + ... + 171445.

It is an arithmetic number, because the mean of its divisors is an integer number (3754100).

Almost surely, 2^118230100 is an apocalyptic number.

118230100 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 118230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135147600).

118230100 is an abundant number, since it is smaller than the sum of its proper divisors (152065100).

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

118230100 is a wasteful number, since it uses less digits than its factorization.

118230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 118230100 is about 10873.3665439918. The cubic root of 118230100 is about 490.8054225745.

Adding to 118230100 its reverse (1032811), we get a palindrome (119262911).

The spelling of 118230100 in words is "one hundred eighteen million, two hundred thirty thousand, one hundred".