1245331241039 has 2 divisors, whose sum is σ = 1245331241040. Its totient is φ = 1245331241038.

The previous prime is 1245331241017. The next prime is 1245331241053. The reversal of 1245331241039 is 9301421335421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9301421335421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245331241039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245331240993 and 1245331241011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245331241339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622665620519 + 622665620520.

It is an arithmetic number, because the mean of its divisors is an integer number (622665620520).

Almost surely, 2^{1245331241039} is an apocalyptic number.

1245331241039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245331241039 is an equidigital number, since it uses as much as digits as its factorization.

1245331241039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 1245331241039 in words is "one trillion, two hundred forty-five billion, three hundred thirty-one million, two hundred forty-one thousand, thirty-nine".