118731745 has 8 divisors (see below), whose sum is σ = 155430720. Its totient is φ = 86350320.

The previous prime is 118731673. The next prime is 118731751. The reversal of 118731745 is 547137811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118731745 - 2¹¹ = 118729697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079325 + ... + 1079434.

It is an arithmetic number, because the mean of its divisors is an integer number (19428840).

Almost surely, 2^118731745 is an apocalyptic number.

It is an amenable number.

118731745 is a deficient number, since it is larger than the sum of its proper divisors (36698975).

118731745 is a wasteful number, since it uses less digits than its factorization.

118731745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158775.

The product of its digits is 23520, while the sum is 37.

The square root of 118731745 is about 10896.4097298147. The cubic root of 118731745 is about 491.4985982415.

The spelling of 118731745 in words is "one hundred eighteen million, seven hundred thirty-one thousand, seven hundred forty-five".