1294072126441 has 2 divisors, whose sum is σ = 1294072126442. Its totient is φ = 1294072126440.

The previous prime is 1294072126427. The next prime is 1294072126483. The reversal of 1294072126441 is 1446212704921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1282284464400 + 11787662041 = 1132380^2 + 108571^2 .

It is an emirp because it is prime and its reverse (1446212704921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1294072126441 - 2⁵ = 1294072126409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1294072126241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647036063220 + 647036063221.

It is an arithmetic number, because the mean of its divisors is an integer number (647036063221).

Almost surely, 2^{1294072126441} is an apocalyptic number.

It is an amenable number.

1294072126441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294072126441 is an equidigital number, since it uses as much as digits as its factorization.

1294072126441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 1294072126441 in words is "one trillion, two hundred ninety-four billion, seventy-two million, one hundred twenty-six thousand, four hundred forty-one".