120186 has 24 divisors (see below), whose sum is σ = 284544. Its totient is φ = 36360.

The previous prime is 120181. The next prime is 120193. The reversal of 120186 is 681021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (11856).

2¹²⁰¹⁸⁶ is an apocalyptic number.

120186 is an abundant number, since it is smaller than the sum of its proper divisors (164358).

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

120186 is a wasteful number, since it uses less digits than its factorization.

120186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 120186 is about 346.6785254382. The cubic root of 120186 is about 49.3497125225.

The spelling of 120186 in words is "one hundred twenty thousand, one hundred eighty-six".