118180 has 24 divisors (see below), whose sum is σ = 262080. Its totient is φ = 44640.

The previous prime is 118171. The next prime is 118189. The reversal of 118180 is 81811.

118180 = T₅₆ + T₅₇ + ... + T₉₅.

It is an interprime number because it is at equal distance from previous prime (118171) and next prime (118189).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (118189) 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, 225 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹¹⁸¹⁸⁰ is an apocalyptic number.

118180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131040).

118180 is an abundant number, since it is smaller than the sum of its proper divisors (143900).

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

118180 is a wasteful number, since it uses less digits than its factorization.

118180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 118180 is about 343.7731810366. The cubic root of 118180 is about 49.0736086521.

Adding to 118180 its reverse (81811), we get a palindrome (199991).

It can be divided in two parts, 1 and 18180, that added together give a palindrome (18181).

The spelling of 118180 in words is "one hundred eighteen thousand, one hundred eighty".