120087 has 12 divisors (see below), whose sum is σ = 189384. Its totient is φ = 72720.

The previous prime is 120079. The next prime is 120091. The reversal of 120087 is 780021.

It is not a de Polignac number, because 120087 - 2³ = 120079 is a prime.

120087 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (15782).

2¹²⁰⁰⁸⁷ is an apocalyptic number.

120087 is a deficient number, since it is larger than the sum of its proper divisors (69297).

120087 is a wasteful number, since it uses less digits than its factorization.

120087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 120087 is about 346.5357124453. The cubic root of 120087 is about 49.3361586321.

The spelling of 120087 in words is "one hundred twenty thousand, eighty-seven".