118985 has 8 divisors (see below), whose sum is σ = 145800. Its totient is φ = 93184.

The previous prime is 118973. The next prime is 119027. The reversal of 118985 is 589811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26569 + 92416 = 163^2 + 304^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 118985 - 2¹² = 114889 is a prime.

It is a Curzon number.

It is a congruent 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, 41 + ... + 489.

It is an arithmetic number, because the mean of its divisors is an integer number (18225).

2¹¹⁸⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

118985 is a deficient number, since it is larger than the sum of its proper divisors (26815).

118985 is an equidigital number, since it uses as much as digits as its factorization.

118985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its digits is 2880, while the sum is 32.

The square root of 118985 is about 344.9420241142. The cubic root of 118985 is about 49.1847805835.

The spelling of 118985 in words is "one hundred eighteen thousand, nine hundred eighty-five".