9120285 has 24 divisors (see below), whose sum is σ = 16642080. Its totient is φ = 4607712.

The previous prime is 9120283. The next prime is 9120301. The reversal of 9120285 is 5820219.

It is not a de Polignac number, because 9120285 - 2¹ = 9120283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120283) 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 23 ways as a sum of consecutive naturals, for example, 4479 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (693420).

Almost surely, 2^9120285 is an apocalyptic number.

9120285 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9120285 is a deficient number, since it is larger than the sum of its proper divisors (7521795).

9120285 is a wasteful number, since it uses less digits than its factorization.

9120285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10697 (or 10694 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9120285 is about 3019.9809602049. The cubic root of 9120285 is about 208.9309616833.

The spelling of 9120285 in words is "nine million, one hundred twenty thousand, two hundred eighty-five".