859120 has 20 divisors (see below), whose sum is σ = 1997640. Its totient is φ = 343616.

The previous prime is 859109. The next prime is 859121. The reversal of 859120 is 21958.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859121) 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 3 ways as a sum of consecutive naturals, for example, 5290 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (99882).

2⁸⁵⁹¹²⁰ is an apocalyptic number.

859120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

859120 is an abundant number, since it is smaller than the sum of its proper divisors (1138520).

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

859120 is a wasteful number, since it uses less digits than its factorization.

859120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752 (or 10746 counting only the distinct ones).

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

The square root of 859120 is about 926.8872639108. The cubic root of 859120 is about 95.0644069245.

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

The spelling of 859120 in words is "eight hundred fifty-nine thousand, one hundred twenty".