1224369956 has 24 divisors (see below), whose sum is σ = 2260860000. Its totient is φ = 578565504.

The previous prime is 1224369953. The next prime is 1224369967. The reversal of 1224369956 is 6599634221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224369956.

It is not an unprimeable number, because it can be changed into a prime (1224369953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12620 + ... + 51068.

It is an arithmetic number, because the mean of its divisors is an integer number (94202500).

Almost surely, 2^1224369956 is an apocalyptic number.

It is an amenable number.

1224369956 is a deficient number, since it is larger than the sum of its proper divisors (1036490044).

1224369956 is a wasteful number, since it uses less digits than its factorization.

1224369956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38891 (or 38889 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 1224369956 is about 34990.9982138264. The cubic root of 1224369956 is about 1069.8040098712.

The spelling of 1224369956 in words is "one billion, two hundred twenty-four million, three hundred sixty-nine thousand, nine hundred fifty-six".