1230139246717 has 2 divisors, whose sum is σ = 1230139246718. Its totient is φ = 1230139246716.

The previous prime is 1230139246709. The next prime is 1230139246729. The reversal of 1230139246717 is 7176429310321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713021492836 + 517117753881 = 844406^2 + 719109^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230139246717 - 2³ = 1230139246709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230139246747) 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, 615069623358 + 615069623359.

It is an arithmetic number, because the mean of its divisors is an integer number (615069623359).

Almost surely, 2^{1230139246717} is an apocalyptic number.

It is an amenable number.

1230139246717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230139246717 is an equidigital number, since it uses as much as digits as its factorization.

1230139246717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 1230139246717 in words is "one trillion, two hundred thirty billion, one hundred thirty-nine million, two hundred forty-six thousand, seven hundred seventeen".