9112420 has 24 divisors (see below), whose sum is σ = 19192824. Its totient is φ = 3634176.

The previous prime is 9112403. The next prime is 9112427. The reversal of 9112420 is 242119.

It can be written as a sum of positive squares in 4 ways, for example, as 2802276 + 6310144 = 1674^2 + 2512^2 .

It is not an unprimeable number, because it can be changed into a prime (9112427) 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, 13122 + ... + 13798.

It is an arithmetic number, because the mean of its divisors is an integer number (799701).

Almost surely, 2^9112420 is an apocalyptic number.

It is an amenable number.

9112420 is an abundant number, since it is smaller than the sum of its proper divisors (10080404).

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

9112420 is a wasteful number, since it uses less digits than its factorization.

9112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

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

The square root of 9112420 is about 3018.6785188224. The cubic root of 9112420 is about 208.8708862728.

Adding to 9112420 its reverse (242119), we get a palindrome (9354539).

The spelling of 9112420 in words is "nine million, one hundred twelve thousand, four hundred twenty".