118820500 has 48 divisors (see below), whose sum is σ = 261241344. Its totient is φ = 47210400.

The previous prime is 118820483. The next prime is 118820519. The reversal of 118820500 is 5028811.

It is a super-2 number, since 2×118820500² = 28236622440500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82789 + ... + 84211.

It is an arithmetic number, because the mean of its divisors is an integer number (5442528).

Almost surely, 2^118820500 is an apocalyptic number.

118820500 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 118820500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130620672).

118820500 is an abundant number, since it is smaller than the sum of its proper divisors (142420844).

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

118820500 is a wasteful number, since it uses less digits than its factorization.

118820500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 118820500 is about 10900.4816407350. The cubic root of 118820500 is about 491.6210369732.

The spelling of 118820500 in words is "one hundred eighteen million, eight hundred twenty thousand, five hundred".