120187 has 4 divisors (see below), whose sum is σ = 124096. Its totient is φ = 116280.

The previous prime is 120181. The next prime is 120193. The reversal of 120187 is 781021.

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

It is an interprime number because it is at equal distance from previous prime (120181) and next prime (120193).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120187 is a prime.

It is a Duffinian number.

120187 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (120181) 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, 1908 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (31024).

2¹²⁰¹⁸⁷ is an apocalyptic number.

120187 is a deficient number, since it is larger than the sum of its proper divisors (3909).

120187 is an equidigital number, since it uses as much as digits as its factorization.

120187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 120187 is about 346.6799676935. The cubic root of 120187 is about 49.3498493925.

The spelling of 120187 in words is "one hundred twenty thousand, one hundred eighty-seven".