1224040504 has 8 divisors (see below), whose sum is σ = 2295075960. Its totient is φ = 612020248.

The previous prime is 1224040501. The next prime is 1224040541. The reversal of 1224040504 is 4050404221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224040501) by changing a digit.

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 as a sum of consecutive naturals, namely, 76502524 + ... + 76502539.

It is an arithmetic number, because the mean of its divisors is an integer number (286884495).

Almost surely, 2^1224040504 is an apocalyptic number.

It is an amenable number.

1224040504 is a deficient number, since it is larger than the sum of its proper divisors (1071035456).

1224040504 is a wasteful number, since it uses less digits than its factorization.

1224040504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153005069 (or 153005065 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1224040504 is about 34986.2902291741. The cubic root of 1224040504 is about 1069.7080474034.

Adding to 1224040504 its reverse (4050404221), we get a palindrome (5274444725).

The spelling of 1224040504 in words is "one billion, two hundred twenty-four million, forty thousand, five hundred four".