118003728 has 20 divisors (see below), whose sum is σ = 304843088. Its totient is φ = 39334560.

The previous prime is 118003709. The next prime is 118003729. The reversal of 118003728 is 827300811.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 118003695 and 118003704.

It is not an unprimeable number, because it can be changed into a prime (118003729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229158 + ... + 1229253.

Almost surely, 2^118003728 is an apocalyptic number.

It is an amenable number.

118003728 is an abundant number, since it is smaller than the sum of its proper divisors (186839360).

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

118003728 is a wasteful number, since it uses less digits than its factorization.

118003728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458422 (or 2458416 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 118003728 is about 10862.9520849537. The cubic root of 118003728 is about 490.4919784507.

The spelling of 118003728 in words is "one hundred eighteen million, three thousand, seven hundred twenty-eight".