9112240 has 20 divisors (see below), whose sum is σ = 21186144. Its totient is φ = 3644864.

The previous prime is 9112231. The next prime is 9112247. The reversal of 9112240 is 422119.

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9112247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56872 + ... + 57031.

Almost surely, 2^9112240 is an apocalyptic number.

It is an amenable number.

9112240 is an abundant number, since it is smaller than the sum of its proper divisors (12073904).

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

9112240 is a wasteful number, since it uses less digits than its factorization.

9112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113916 (or 113910 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 9112240 is about 3018.6487043046. The cubic root of 9112240 is about 208.8695109701.

Adding to 9112240 its reverse (422119), we get a palindrome (9534359).

The spelling of 9112240 in words is "nine million, one hundred twelve thousand, two hundred forty".