1244225 has 12 divisors (see below), whose sum is σ = 1557564. Its totient is φ = 985920.

The previous prime is 1244203. The next prime is 1244233. The reversal of 1244225 is 5224421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 935089 = 556^2 + 967^2 .

It is not a de Polignac number, because 1244225 - 2⁸ = 1243969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244197 and 1244206.

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, 3767 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (129797).

2^1244225 is an apocalyptic number.

It is an amenable number.

1244225 is a deficient number, since it is larger than the sum of its proper divisors (313339).

1244225 is a wasteful number, since it uses less digits than its factorization.

1244225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 1244225 is about 1115.4483403547. The cubic root of 1244225 is about 107.5555868999. Note that the first 4 decimals are identical.

Adding to 1244225 its reverse (5224421), we get a palindrome (6468646).

The spelling of 1244225 in words is "one million, two hundred forty-four thousand, two hundred twenty-five".