118559 has 4 divisors (see below), whose sum is σ = 135504. Its totient is φ = 101616.

The previous prime is 118549. The next prime is 118571. The reversal of 118559 is 955811.

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

It is a cyclic number.

It is not a de Polignac number, because 118559 - 2⁴ = 118543 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8462 + ... + 8475.

It is an arithmetic number, because the mean of its divisors is an integer number (33876).

2¹¹⁸⁵⁵⁹ is an apocalyptic number.

118559 is a deficient number, since it is larger than the sum of its proper divisors (16945).

118559 is an equidigital number, since it uses as much as digits as its factorization.

118559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its digits is 1800, while the sum is 29.

The square root of 118559 is about 344.3239753488. The cubic root of 118559 is about 49.1260119097.

It can be divided in two parts, 11 and 8559, that multiplied together give a palindrome (94149).

The spelling of 118559 in words is "one hundred eighteen thousand, five hundred fifty-nine".