118587 has 8 divisors (see below), whose sum is σ = 180736. Its totient is φ = 67752.

The previous prime is 118583. The next prime is 118589. The reversal of 118587 is 785811.

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

It is not a de Polignac number, because 118587 - 2² = 118583 is a prime.

It is a Duffinian number.

118587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (118583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (22592).

2¹¹⁸⁵⁸⁷ is an apocalyptic number.

118587 is a deficient number, since it is larger than the sum of its proper divisors (62149).

118587 is an equidigital number, since it uses as much as digits as its factorization.

118587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its digits is 2240, while the sum is 30.

The square root of 118587 is about 344.3646323303. The cubic root of 118587 is about 49.1298789578.

The spelling of 118587 in words is "one hundred eighteen thousand, five hundred eighty-seven".