118633985 has 8 divisors (see below), whose sum is σ = 142869096. Its totient is φ = 94568320.

The previous prime is 118633943. The next prime is 118633997. The reversal of 118633985 is 589336811.

It can be written as a sum of positive squares in 4 ways, for example, as 32069569 + 86564416 = 5663^2 + 9304^2 .

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

It is not a de Polignac number, because 118633985 - 2¹⁶ = 118568449 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, 40814 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (17858637).

Almost surely, 2^118633985 is an apocalyptic number.

It is an amenable number.

118633985 is a deficient number, since it is larger than the sum of its proper divisors (24235111).

118633985 is an equidigital number, since it uses as much as digits as its factorization.

118633985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84723.

The product of its digits is 155520, while the sum is 44.

The square root of 118633985 is about 10891.9229248099. The cubic root of 118633985 is about 491.3636663513.

The spelling of 118633985 in words is "one hundred eighteen million, six hundred thirty-three thousand, nine hundred eighty-five".