1001223067597 has 2 divisors, whose sum is σ = 1001223067598. Its totient is φ = 1001223067596.

The previous prime is 1001223067591. The next prime is 1001223067619. The reversal of 1001223067597 is 7957603221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607057581321 + 394165486276 = 779139^2 + 627826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001223067597 - 2³ = 1001223067589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001223067591) 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, 500611533798 + 500611533799.

It is an arithmetic number, because the mean of its divisors is an integer number (500611533799).

Almost surely, 2^{1001223067597} is an apocalyptic number.

It is an amenable number.

1001223067597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001223067597 is an equidigital number, since it uses as much as digits as its factorization.

1001223067597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

Adding to 1001223067597 its reverse (7957603221001), we get a palindrome (8958826288598).

The spelling of 1001223067597 in words is "one trillion, one billion, two hundred twenty-three million, sixty-seven thousand, five hundred ninety-seven".