9021125 has 8 divisors (see below), whose sum is σ = 11258520. Its totient is φ = 7216800.

The previous prime is 9021119. The next prime is 9021127. The reversal of 9021125 is 5211209.

It can be written as a sum of positive squares in 4 ways, for example, as 1934881 + 7086244 = 1391^2 + 2662^2 .

It is not a de Polignac number, because 9021125 - 2¹⁴ = 9004741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9021097 and 9021106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35960 + ... + 36209.

It is an arithmetic number, because the mean of its divisors is an integer number (1407315).

Almost surely, 2^9021125 is an apocalyptic number.

It is an amenable number.

9021125 is a deficient number, since it is larger than the sum of its proper divisors (2237395).

9021125 is an equidigital number, since it uses as much as digits as its factorization.

9021125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72184 (or 72174 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 9021125 is about 3003.5187697100. The cubic root of 9021125 is about 208.1710024354.

The spelling of 9021125 in words is "nine million, twenty-one thousand, one hundred twenty-five".