9025128 has 128 divisors (see below), whose sum is σ = 29491200. Its totient is φ = 2503872.

The previous prime is 9025117. The next prime is 9025139. The reversal of 9025128 is 8215209.

It is an interprime number because it is at equal distance from previous prime (9025117) and next prime (9025139).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71001 + ... + 71127.

It is an arithmetic number, because the mean of its divisors is an integer number (230400).

Almost surely, 2^9025128 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 9025128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14745600).

9025128 is an abundant number, since it is smaller than the sum of its proper divisors (20466072).

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

9025128 is a wasteful number, since it uses less digits than its factorization.

9025128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9025128 is about 3004.1850808497. The cubic root of 9025128 is about 208.2017888875.

The spelling of 9025128 in words is "nine million, twenty-five thousand, one hundred twenty-eight".