1224142504 has 32 divisors (see below), whose sum is σ = 2488227840. Its totient is φ = 561240000.

The previous prime is 1224142487. The next prime is 1224142531. The reversal of 1224142504 is 4052414221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23272 + ... + 54679.

It is an arithmetic number, because the mean of its divisors is an integer number (77757120).

Almost surely, 2^1224142504 is an apocalyptic number.

It is an amenable number.

1224142504 is an abundant number, since it is smaller than the sum of its proper divisors (1264085336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224142504 is a wasteful number, since it uses less digits than its factorization.

1224142504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78121 (or 78117 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1224142504 is about 34987.7479126622. The cubic root of 1224142504 is about 1069.7377597072.

Adding to 1224142504 its reverse (4052414221), we get a palindrome (5276556725).

It can be divided in two parts, 12241 and 42504, that added together give a palindrome (54745).

The spelling of 1224142504 in words is "one billion, two hundred twenty-four million, one hundred forty-two thousand, five hundred four".