120986 has 4 divisors (see below), whose sum is σ = 181482. Its totient is φ = 60492.

The previous prime is 120977. The next prime is 120997. The reversal of 120986 is 689021.

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

It can be written as a sum of positive squares in only one way, i.e., 78961 + 42025 = 281^2 + 205^2 .

It is a super-2 number, since 2×120986² = 29275224392, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30245 + ... + 30248.

2¹²⁰⁹⁸⁶ is an apocalyptic number.

120986 is a deficient number, since it is larger than the sum of its proper divisors (60496).

120986 is an equidigital number, since it uses as much as digits as its factorization.

120986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60495.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 120986 is about 347.8304184513. The cubic root of 120986 is about 49.4589667770.

The spelling of 120986 in words is "one hundred twenty thousand, nine hundred eighty-six".