1252225 has 12 divisors (see below), whose sum is σ = 1672636. Its totient is φ = 924480.

The previous prime is 1252219. The next prime is 1252247. The reversal of 1252225 is 5222521.

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 1252161 = 8^2 + 1119^2 .

It is not a de Polignac number, because 1252225 - 2³ = 1252217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1602 + ... + 2251.

2^1252225 is an apocalyptic number.

It is an amenable number.

1252225 is a deficient number, since it is larger than the sum of its proper divisors (420411).

1252225 is a wasteful number, since it uses less digits than its factorization.

1252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876 (or 3871 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 1252225 is about 1119.0285965962. The cubic root of 1252225 is about 107.7856115120.

Adding to 1252225 its reverse (5222521), we get a palindrome (6474746).

The spelling of 1252225 in words is "one million, two hundred fifty-two thousand, two hundred twenty-five".