120885285 has 16 divisors (see below), whose sum is σ = 193841856. Its totient is φ = 64330368.

The previous prime is 120885223. The next prime is 120885287. The reversal of 120885285 is 582588021.

It is not a de Polignac number, because 120885285 - 2⁷ = 120885157 is a prime.

It is a super-2 number, since 2×120885285² = 29226504259062450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120885287) 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 15 ways as a sum of consecutive naturals, for example, 1624 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (12115116).

Almost surely, 2^120885285 is an apocalyptic number.

120885285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120885285 is a deficient number, since it is larger than the sum of its proper divisors (72956571).

120885285 is a wasteful number, since it uses less digits than its factorization.

120885285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 120885285 is about 10994.7844453632. The cubic root of 120885285 is about 494.4523890020.

The spelling of 120885285 in words is "one hundred twenty million, eight hundred eighty-five thousand, two hundred eighty-five".