1224200513 has 2 divisors, whose sum is σ = 1224200514. Its totient is φ = 1224200512.

The previous prime is 1224200503. The next prime is 1224200561. The reversal of 1224200513 is 3150024221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 788935744 + 435264769 = 28088^2 + 20863^2 .

It is an emirp because it is prime and its reverse (3150024221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224200513 - 2¹⁰ = 1224199489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224200503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612100256 + 612100257.

It is an arithmetic number, because the mean of its divisors is an integer number (612100257).

Almost surely, 2^1224200513 is an apocalyptic number.

It is an amenable number.

1224200513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224200513 is an equidigital number, since it uses as much as digits as its factorization.

1224200513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1224200513 is about 34988.5768930375. The cubic root of 1224200513 is about 1069.7546568243.

Adding to 1224200513 its reverse (3150024221), we get a palindrome (4374224734).

The spelling of 1224200513 in words is "one billion, two hundred twenty-four million, two hundred thousand, five hundred thirteen".