120972285 has 80 divisors (see below), whose sum is σ = 251741952. Its totient is φ = 54432000.

The previous prime is 120972283. The next prime is 120972301. The reversal of 120972285 is 582279021.

It is not a de Polignac number, because 120972285 - 2¹ = 120972283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120972283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 200985 + ... + 201585.

Almost surely, 2^120972285 is an apocalyptic number.

120972285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120972285 is an abundant number, since it is smaller than the sum of its proper divisors (130769667).

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

120972285 is an equidigital number, since it uses as much as digits as its factorization.

120972285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 120972285 is about 10998.7401551269. The cubic root of 120972285 is about 494.5709781318.

The spelling of 120972285 in words is "one hundred twenty million, nine hundred seventy-two thousand, two hundred eighty-five".