9157120 has 120 divisors (see below), whose sum is σ = 25890084. Its totient is φ = 3096576.

The previous prime is 9157087. The next prime is 9157123. The reversal of 9157120 is 217519.

It can be written as a sum of positive squares in 2 ways, for example, as 9144576 + 12544 = 3024^2 + 112^2 .

It is not an unprimeable number, because it can be changed into a prime (9157123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125404 + ... + 125476.

Almost surely, 2^9157120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9157120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12945042).

9157120 is an abundant number, since it is smaller than the sum of its proper divisors (16732964).

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

9157120 is an equidigital number, since it uses as much as digits as its factorization.

9157120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 9157120 is about 3026.0733632878. The cubic root of 9157120 is about 209.2118605927.

The spelling of 9157120 in words is "nine million, one hundred fifty-seven thousand, one hundred twenty".