9021120 has 56 divisors (see below), whose sum is σ = 28645104. Its totient is φ = 2405376.

The previous prime is 9021119. The next prime is 9021127. The reversal of 9021120 is 211209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 9021120.

It is not an unprimeable number, because it can be changed into a prime (9021127) 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, 3739 + ... + 5658.

Almost surely, 2^9021120 is an apocalyptic number.

It is an amenable number.

9021120 is an abundant number, since it is smaller than the sum of its proper divisors (19623984).

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

9021120 is a wasteful number, since it uses less digits than its factorization.

9021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9407 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 9021120 is about 3003.5179373528. The cubic root of 9021120 is about 208.1709639755.

Adding to 9021120 its reverse (211209), we get a palindrome (9232329).

The spelling of 9021120 in words is "nine million, twenty-one thousand, one hundred twenty".