9120280 has 32 divisors (see below), whose sum is σ = 22100400. Its totient is φ = 3367296.

The previous prime is 9120277. The next prime is 9120283. The reversal of 9120280 is 820219.

It is an interprime number because it is at equal distance from previous prime (9120277) and next prime (9120283).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8250 + ... + 9289.

Almost surely, 2^9120280 is an apocalyptic number.

It is an amenable number.

9120280 is an abundant number, since it is smaller than the sum of its proper divisors (12980120).

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

9120280 is a wasteful number, since it uses less digits than its factorization.

9120280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17563 (or 17559 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9120280 is about 3019.9801323850. The cubic root of 9120280 is about 208.9309235027.

Adding to 9120280 its reverse (820219), we get a palindrome (9940499).

The spelling of 9120280 in words is "nine million, one hundred twenty thousand, two hundred eighty".