118838720 has 336 divisors, whose sum is σ = 394033248. Its totient is φ = 33546240.

The previous prime is 118838719. The next prime is 118838729. The reversal of 118838720 is 27838811.

118838720 = T₂₆₄ + T₂₆₅ + ... + T₉₀₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118838729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2242214 + ... + 2242266.

It is an arithmetic number, because the mean of its divisors is an integer number (1172718).

Almost surely, 2^118838720 is an apocalyptic number.

118838720 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 118838720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197016624).

118838720 is an abundant number, since it is smaller than the sum of its proper divisors (275194528).

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

118838720 is a wasteful number, since it uses less digits than its factorization.

118838720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 118838720 is about 10901.3173515865. The cubic root of 118838720 is about 491.6461641679.

Subtracting from 118838720 its reverse (27838811), we obtain a palindrome (90999909).

It can be divided in two parts, 118 and 838720, that added together give a palindrome (838838).

The spelling of 118838720 in words is "one hundred eighteen million, eight hundred thirty-eight thousand, seven hundred twenty".