118874385 has 64 divisors (see below), whose sum is σ = 244661760. Its totient is φ = 54307584.

The previous prime is 118874369. The next prime is 118874407. The reversal of 118874385 is 583478811.

It is a happy number.

It is not a de Polignac number, because 118874385 - 2⁴ = 118874369 is a prime.

It is a super-2 number, since 2×118874385² = 28262238818256450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 118874385.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75769 + ... + 77321.

It is an arithmetic number, because the mean of its divisors is an integer number (3822840).

Almost surely, 2^118874385 is an apocalyptic number.

118874385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118874385 is an abundant number, since it is smaller than the sum of its proper divisors (125787375).

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

118874385 is an frugal number, since it uses more digits than its factorization.

118874385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1568 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 118874385 is about 10902.9530403465. The cubic root of 118874385 is about 491.6953423219.

It can be divided in two parts, 118 and 874385, that added together give a triangular number (874503 = T₁₃₂₂).

The spelling of 118874385 in words is "one hundred eighteen million, eight hundred seventy-four thousand, three hundred eighty-five".