120785 has 24 divisors (see below), whose sum is σ = 184680. Its totient is φ = 75264.

The previous prime is 120779. The next prime is 120811. The reversal of 120785 is 587021.

120785 is nontrivially palindromic in base 12 and base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 94864 = 161^2 + 308^2 .

It is not a de Polignac number, because 120785 - 2⁶ = 120721 is a prime.

It is a d-powerful number, because it can be written as 1 + 2 + 7⁶ + 0 + 8 + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 120785.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4151 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (7695).

2¹²⁰⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

120785 is a deficient number, since it is larger than the sum of its proper divisors (63895).

120785 is a wasteful number, since it uses less digits than its factorization.

120785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 120785 is about 347.5413644446. The cubic root of 120785 is about 49.4315620560.

The spelling of 120785 in words is "one hundred twenty thousand, seven hundred eighty-five".