1244124230513 has 2 divisors, whose sum is σ = 1244124230514. Its totient is φ = 1244124230512.

The previous prime is 1244124230411. The next prime is 1244124230543. The reversal of 1244124230513 is 3150324214421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863351313889 + 380772916624 = 929167^2 + 617068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244124230513 - 2¹⁸ = 1244123968369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244124230513.

It is not a weakly prime, because it can be changed into another prime (1244124230543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622062115256 + 622062115257.

It is an arithmetic number, because the mean of its divisors is an integer number (622062115257).

Almost surely, 2^{1244124230513} is an apocalyptic number.

It is an amenable number.

1244124230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244124230513 is an equidigital number, since it uses as much as digits as its factorization.

1244124230513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1244124230513 its reverse (3150324214421), we get a palindrome (4394448444934).

The spelling of 1244124230513 in words is "one trillion, two hundred forty-four billion, one hundred twenty-four million, two hundred thirty thousand, five hundred thirteen".