118650 has 48 divisors (see below), whose sum is σ = 339264. Its totient is φ = 26880.

The previous prime is 118633. The next prime is 118661. The reversal of 118650 is 56811.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

118650 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 23 ways as a sum of consecutive naturals, for example, 994 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (7068).

2¹¹⁸⁶⁵⁰ is an apocalyptic number.

118650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169632).

118650 is an abundant number, since it is smaller than the sum of its proper divisors (220614).

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

118650 is a wasteful number, since it uses less digits than its factorization.

118650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 118650 is about 344.4560929930. The cubic root of 118650 is about 49.1385775910.

The spelling of 118650 in words is "one hundred eighteen thousand, six hundred fifty".