1224243013 has 16 divisors (see below), whose sum is σ = 1455162880. Its totient is φ = 1008049536.

The previous prime is 1224242993. The next prime is 1224243019. The reversal of 1224243013 is 3103424221.

It is a cyclic number.

It is not a de Polignac number, because 1224243013 - 2⁹ = 1224242501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224243019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 50377.

It is an arithmetic number, because the mean of its divisors is an integer number (90947680).

Almost surely, 2^1224243013 is an apocalyptic number.

It is an amenable number.

1224243013 is a deficient number, since it is larger than the sum of its proper divisors (230919867).

1224243013 is an equidigital number, since it uses as much as digits as its factorization.

1224243013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59956.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1224243013 is about 34989.1842288442. The cubic root of 1224243013 is about 1069.7670360727.

Adding to 1224243013 its reverse (3103424221), we get a palindrome (4327667234).

It can be divided in two parts, 12242 and 43013, that added together give a palindrome (55255).

The spelling of 1224243013 in words is "one billion, two hundred twenty-four million, two hundred forty-three thousand, thirteen".