1209325 has 18 divisors (see below), whose sum is σ = 1641822. Its totient is φ = 878400.

The previous prime is 1209311. The next prime is 1209337. The reversal of 1209325 is 5239021.

It can be written as a sum of positive squares in 9 ways, for example, as 1142761 + 66564 = 1069^2 + 258^2 .

It is not a de Polignac number, because 1209325 - 2⁹ = 1208813 is a prime.

It is a super-3 number, since 3×1209325³ = 5305793553333609375, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1209296 and 1209305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19795 + ... + 19855.

2^1209325 is an apocalyptic number.

It is an amenable number.

1209325 is a deficient number, since it is larger than the sum of its proper divisors (432497).

1209325 is an equidigital number, since it uses as much as digits as its factorization.

1209325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1209325 is about 1099.6931390165. The cubic root of 1209325 is about 106.5404050733.

The spelling of 1209325 in words is "one million, two hundred nine thousand, three hundred twenty-five".