14001265121 has 2 divisors, whose sum is σ = 14001265122. Its totient is φ = 14001265120.

The previous prime is 14001265039. The next prime is 14001265147. The reversal of 14001265121 is 12156210041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11960484496 + 2040780625 = 109364^2 + 45175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14001265121 is a prime.

It is a super-2 number, since 2×14001265121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14001265171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000632560 + 7000632561.

It is an arithmetic number, because the mean of its divisors is an integer number (7000632561).

Almost surely, 2^14001265121 is an apocalyptic number.

It is an amenable number.

14001265121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001265121 is an equidigital number, since it uses as much as digits as its factorization.

14001265121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 14001265121 its reverse (12156210041), we get a palindrome (26157475162).

The spelling of 14001265121 in words is "fourteen billion, one million, two hundred sixty-five thousand, one hundred twenty-one".