9128125 has 24 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 6930000.

The previous prime is 9128123. The next prime is 9128129. The reversal of 9128125 is 5218219.

9128125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9128125 - 2¹ = 9128123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9128093 and 9128102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9128123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71812 + ... + 71938.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

Almost surely, 2^9128125 is an apocalyptic number.

It is an amenable number.

9128125 is a deficient number, since it is larger than the sum of its proper divisors (2871107).

9128125 is an equidigital number, since it uses as much as digits as its factorization.

9128125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 155 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 9128125 is about 3021.2787028012. The cubic root of 9128125 is about 208.9908117722.

The spelling of 9128125 in words is "nine million, one hundred twenty-eight thousand, one hundred twenty-five".