1009225 has 24 divisors (see below), whose sum is σ = 1468160. Its totient is φ = 673920.

The previous prime is 1009207. The next prime is 1009237. The reversal of 1009225 is 5229001.

It is not a de Polignac number, because 1009225 - 2⁵ = 1009193 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 12736 + ... + 12814.

2^1009225 is an apocalyptic number.

It is an amenable number.

1009225 is a deficient number, since it is larger than the sum of its proper divisors (458935).

1009225 is an equidigital number, since it uses as much as digits as its factorization.

1009225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1009225 is about 1004.6019112066. The cubic root of 1009225 is about 100.3065592539.

The spelling of 1009225 in words is "one million, nine thousand, two hundred twenty-five".