118235728 has 20 divisors (see below), whose sum is σ = 246703828. Its totient is φ = 54570240.

The previous prime is 118235723. The next prime is 118235729. The reversal of 118235728 is 827532811.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 102171664 = 4008^2 + 10108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118235723) 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, 284013 + ... + 284428.

Almost surely, 2^118235728 is an apocalyptic number.

It is an amenable number.

118235728 is an abundant number, since it is smaller than the sum of its proper divisors (128468100).

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

118235728 is a wasteful number, since it uses less digits than its factorization.

118235728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568462 (or 568456 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 118235728 is about 10873.6253384049. The cubic root of 118235728 is about 490.8132102391.

The spelling of 118235728 in words is "one hundred eighteen million, two hundred thirty-five thousand, seven hundred twenty-eight".