118178028 has 30 divisors (see below), whose sum is σ = 308941556. Its totient is φ = 39392568.

The previous prime is 118177993. The next prime is 118178041. The reversal of 118178028 is 820871811.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 118177983 and 118178001.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 182050 + ... + 182697.

Almost surely, 2^118178028 is an apocalyptic number.

118178028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118178028 is an abundant number, since it is smaller than the sum of its proper divisors (190763528).

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

118178028 is a wasteful number, since it uses less digits than its factorization.

118178028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364763 (or 364752 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 36.

The square root of 118178028 is about 10870.9718056851. The cubic root of 118178028 is about 490.7333569642.

The spelling of 118178028 in words is "one hundred eighteen million, one hundred seventy-eight thousand, twenty-eight".