1298109624601 has 2 divisors, whose sum is σ = 1298109624602. Its totient is φ = 1298109624600.

The previous prime is 1298109624593. The next prime is 1298109624607. The reversal of 1298109624601 is 1064269018921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227087907600 + 71021717001 = 1107740^2 + 266499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298109624601 - 2³ = 1298109624593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298109624607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649054812300 + 649054812301.

It is an arithmetic number, because the mean of its divisors is an integer number (649054812301).

Almost surely, 2^{1298109624601} is an apocalyptic number.

It is an amenable number.

1298109624601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298109624601 is an equidigital number, since it uses as much as digits as its factorization.

1298109624601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 1298109624601 in words is "one trillion, two hundred ninety-eight billion, one hundred nine million, six hundred twenty-four thousand, six hundred one".