1224001225 has 12 divisors (see below), whose sum is σ = 1540416784. Its totient is φ = 964584720.

The previous prime is 1224001217. The next prime is 1224001243. The reversal of 1224001225 is 5221004221.

It is not a de Polignac number, because 1224001225 - 2³ = 1224001217 is a prime.

It is a Duffinian 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, 363699 + ... + 367048.

Almost surely, 2^1224001225 is an apocalyptic number.

It is an amenable number.

1224001225 is a deficient number, since it is larger than the sum of its proper divisors (316415559).

1224001225 is an equidigital number, since it uses as much as digits as its factorization.

1224001225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730824 (or 730819 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1224001225 is about 34985.7288762147. The cubic root of 1224001225 is about 1069.6966051045.

Adding to 1224001225 its reverse (5221004221), we get a palindrome (6445005446).

The spelling of 1224001225 in words is "one billion, two hundred twenty-four million, one thousand, two hundred twenty-five".