1298541281827 has 2 divisors, whose sum is σ = 1298541281828. Its totient is φ = 1298541281826.

The previous prime is 1298541281759. The next prime is 1298541281893. The reversal of 1298541281827 is 7281821458921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298541281827 - 2²⁷ = 1298407064099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298541281027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649270640913 + 649270640914.

It is an arithmetic number, because the mean of its divisors is an integer number (649270640914).

Almost surely, 2^{1298541281827} is an apocalyptic number.

1298541281827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298541281827 is an equidigital number, since it uses as much as digits as its factorization.

1298541281827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 58.

The spelling of 1298541281827 in words is "one trillion, two hundred ninety-eight billion, five hundred forty-one million, two hundred eighty-one thousand, eight hundred twenty-seven".