118230500 has 24 divisors (see below), whose sum is σ = 258216504. Its totient is φ = 47292000.

The previous prime is 118230479. The next prime is 118230509. The reversal of 118230500 is 5032811.

It can be written as a sum of positive squares in 4 ways, for example, as 22033636 + 96196864 = 4694^2 + 9808^2 .

It is a super-2 number, since 2×118230500² = 27956902260500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (118230509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117731 + ... + 118730.

It is an arithmetic number, because the mean of its divisors is an integer number (10759021).

Almost surely, 2^118230500 is an apocalyptic number.

118230500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118230500 is an abundant number, since it is smaller than the sum of its proper divisors (139986004).

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

118230500 is a wasteful number, since it uses less digits than its factorization.

118230500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236480 (or 236468 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 118230500 is about 10873.3849375436. The cubic root of 118230500 is about 490.8059760769.

It can be divided in two parts, 118 and 230500, that multiplied together give a triangular number (27199000 = T₇₃₇₅).

The spelling of 118230500 in words is "one hundred eighteen million, two hundred thirty thousand, five hundred".