1252681245743 has 2 divisors, whose sum is σ = 1252681245744. Its totient is φ = 1252681245742.

The previous prime is 1252681245721. The next prime is 1252681245799. The reversal of 1252681245743 is 3475421862521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252681245743 - 2⁶ = 1252681245679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252681245691 and 1252681245700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252681245703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626340622871 + 626340622872.

It is an arithmetic number, because the mean of its divisors is an integer number (626340622872).

Almost surely, 2^{1252681245743} is an apocalyptic number.

1252681245743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252681245743 is an equidigital number, since it uses as much as digits as its factorization.

1252681245743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 50.

The spelling of 1252681245743 in words is "one trillion, two hundred fifty-two billion, six hundred eighty-one million, two hundred forty-five thousand, seven hundred forty-three".