118578 has 8 divisors (see below), whose sum is σ = 237168. Its totient is φ = 39524.

The previous prime is 118571. The next prime is 118583. The reversal of 118578 is 875811.

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

118578 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118571) by changing a digit.

118578 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9876 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (29646).

2¹¹⁸⁵⁷⁸ is an apocalyptic number.

118578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118578 is a wasteful number, since it uses less digits than its factorization.

118578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19768.

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

The square root of 118578 is about 344.3515645383. The cubic root of 118578 is about 49.1286360445.

It can be divided in two parts, 118 and 578, that added together give a palindrome (696).

The spelling of 118578 in words is "one hundred eighteen thousand, five hundred seventy-eight".