120859 has 4 divisors (see below), whose sum is σ = 127240. Its totient is φ = 114480.

The previous prime is 120851. The next prime is 120863. The reversal of 120859 is 958021.

120859 = T₆₀ + T₆₁ + ... + T₉₇.

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

It is a cyclic number.

It is not a de Polignac number, because 120859 - 2³ = 120851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120851) 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, 3162 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (31810).

2¹²⁰⁸⁵⁹ is an apocalyptic number.

120859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120859 is a deficient number, since it is larger than the sum of its proper divisors (6381).

120859 is an equidigital number, since it uses as much as digits as its factorization.

120859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 120859 is about 347.6478102908. The cubic root of 120859 is about 49.4416548899.

It can be divided in two parts, 120 and 859, that added together give a palindrome (979).

The spelling of 120859 in words is "one hundred twenty thousand, eight hundred fifty-nine".