1245313244941 has 2 divisors, whose sum is σ = 1245313244942. Its totient is φ = 1245313244940.

The previous prime is 1245313244867. The next prime is 1245313245041. The reversal of 1245313244941 is 1494423135421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682228092841 + 563085152100 = 825971^2 + 750390^2 .

It is an emirp because it is prime and its reverse (1494423135421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245313244941 - 2²⁵ = 1245279690509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245313244741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622656622470 + 622656622471.

It is an arithmetic number, because the mean of its divisors is an integer number (622656622471).

Almost surely, 2^{1245313244941} is an apocalyptic number.

It is an amenable number.

1245313244941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245313244941 is an equidigital number, since it uses as much as digits as its factorization.

1245313244941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 1245313244941 in words is "one trillion, two hundred forty-five billion, three hundred thirteen million, two hundred forty-four thousand, nine hundred forty-one".