118789420 has 24 divisors (see below), whose sum is σ = 253688400. Its totient is φ = 46709952.

The previous prime is 118789403. The next prime is 118789439. The reversal of 118789420 is 24987811.

It is a happy number.

It is a super-2 number, since 2×118789420² = 28221852607872800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49155 + ... + 51514.

It is an arithmetic number, because the mean of its divisors is an integer number (10570350).

Almost surely, 2^118789420 is an apocalyptic number.

118789420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118789420 is an abundant number, since it is smaller than the sum of its proper divisors (134898980).

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

118789420 is a wasteful number, since it uses less digits than its factorization.

118789420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100737 (or 100735 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 118789420 is about 10899.0559224182. The cubic root of 118789420 is about 491.5781686291.

The spelling of 118789420 in words is "one hundred eighteen million, seven hundred eighty-nine thousand, four hundred twenty".