118278720 has 168 divisors, whose sum is σ = 465027264. Its totient is φ = 27030528.

The previous prime is 118278709. The next prime is 118278731. The reversal of 118278720 is 27872811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118278709) and next prime (118278731).

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17227 + ... + 23093.

Almost surely, 2^118278720 is an apocalyptic number.

118278720 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 118278720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232513632).

118278720 is an abundant number, since it is smaller than the sum of its proper divisors (346748544).

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

118278720 is a wasteful number, since it uses less digits than its factorization.

118278720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897 (or 5884 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 118278720 is about 10875.6020523004. The cubic root of 118278720 is about 490.8726916521.

The spelling of 118278720 in words is "one hundred eighteen million, two hundred seventy-eight thousand, seven hundred twenty".