1321130023007 has 2 divisors, whose sum is σ = 1321130023008. Its totient is φ = 1321130023006.

The previous prime is 1321130022941. The next prime is 1321130023093. The reversal of 1321130023007 is 7003200311231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321130023007 - 2¹² = 1321130018911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321130043007) 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, 660565011503 + 660565011504.

It is an arithmetic number, because the mean of its divisors is an integer number (660565011504).

Almost surely, 2^{1321130023007} is an apocalyptic number.

1321130023007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321130023007 is an equidigital number, since it uses as much as digits as its factorization.

1321130023007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 1321130023007 its reverse (7003200311231), we get a palindrome (8324330334238).

The spelling of 1321130023007 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, twenty-three thousand, seven".