1296277885741 has 2 divisors, whose sum is σ = 1296277885742. Its totient is φ = 1296277885740.

The previous prime is 1296277885717. The next prime is 1296277885811. The reversal of 1296277885741 is 1475887726921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968669324100 + 327608561641 = 984210^2 + 572371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296277885741 - 2⁹ = 1296277885229 is a prime.

It is a super-2 number, since 2×1296277885741² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296277885711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648138942870 + 648138942871.

It is an arithmetic number, because the mean of its divisors is an integer number (648138942871).

Almost surely, 2^{1296277885741} is an apocalyptic number.

It is an amenable number.

1296277885741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296277885741 is an equidigital number, since it uses as much as digits as its factorization.

1296277885741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94832640, while the sum is 67.

The spelling of 1296277885741 in words is "one trillion, two hundred ninety-six billion, two hundred seventy-seven million, eight hundred eighty-five thousand, seven hundred forty-one".