118475720 has 128 divisors (see below), whose sum is σ = 315394560. Its totient is φ = 39567360.

The previous prime is 118475719. The next prime is 118475789. The reversal of 118475720 is 27574811.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351392 + ... + 351728.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2^118475720 is an apocalyptic number.

118475720 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 118475720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157697280).

118475720 is an abundant number, since it is smaller than the sum of its proper divisors (196918840).

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

118475720 is a wasteful number, since it uses less digits than its factorization.

118475720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 118475720 is about 10884.6552540721. The cubic root of 118475720 is about 491.1450660413.

Subtracting from 118475720 its reverse (27574811), we obtain a palindrome (90900909).

The spelling of 118475720 in words is "one hundred eighteen million, four hundred seventy-five thousand, seven hundred twenty".