120885 has 8 divisors (see below), whose sum is σ = 193440. Its totient is φ = 64464.

The previous prime is 120877. The next prime is 120889. The reversal of 120885 is 588021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120885 - 2³ = 120877 is a prime.

It is a super-2 number, since 2×120885² = 29226366450, which contains 22 as substring.

It is a Curzon number.

120885 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120885.

It is not an unprimeable number, because it can be changed into a prime (120889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (24180).

2¹²⁰⁸⁸⁵ is an apocalyptic number.

120885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120885 is a deficient number, since it is larger than the sum of its proper divisors (72555).

120885 is an equidigital number, since it uses as much as digits as its factorization.

120885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 120885 is about 347.6852024461. The cubic root of 120885 is about 49.4452000427.

The spelling of 120885 in words is "one hundred twenty thousand, eight hundred eighty-five".