118920985 has 8 divisors (see below), whose sum is σ = 142886016. Its totient is φ = 95016240.

The previous prime is 118920947. The next prime is 118921013. The reversal of 118920985 is 589029811.

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

It is not a de Polignac number, because 118920985 - 2¹³ = 118912793 is a prime.

It is a Duffinian number.

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, 10609 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (17860752).

Almost surely, 2^118920985 is an apocalyptic number.

It is an amenable number.

118920985 is a deficient number, since it is larger than the sum of its proper divisors (23965031).

118920985 is an equidigital number, since it uses as much as digits as its factorization.

118920985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30143.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 118920985 is about 10905.0898666632. The cubic root of 118920985 is about 491.7595838307.

The spelling of 118920985 in words is "one hundred eighteen million, nine hundred twenty thousand, nine hundred eighty-five".