118650985 has 4 divisors (see below), whose sum is σ = 142381188. Its totient is φ = 94920784.

The previous prime is 118650979. The next prime is 118651003. The reversal of 118650985 is 589056811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49112064 + 69538921 = 7008^2 + 8339^2 .

It is a cyclic number.

It is not a de Polignac number, because 118650985 - 2⁹ = 118650473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11865094 + ... + 11865103.

It is an arithmetic number, because the mean of its divisors is an integer number (35595297).

Almost surely, 2^118650985 is an apocalyptic number.

It is an amenable number.

118650985 is a deficient number, since it is larger than the sum of its proper divisors (23730203).

118650985 is an equidigital number, since it uses as much as digits as its factorization.

118650985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730202.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 118650985 is about 10892.7032916535. The cubic root of 118650985 is about 491.3871356895.

The spelling of 118650985 in words is "one hundred eighteen million, six hundred fifty thousand, nine hundred eighty-five".