14451235121 has 2 divisors, whose sum is σ = 14451235122. Its totient is φ = 14451235120.

The previous prime is 14451235091. The next prime is 14451235129. The reversal of 14451235121 is 12153215441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11116750096 + 3334485025 = 105436^2 + 57745^2 .

It is an emirp because it is prime and its reverse (12153215441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14451235121 - 2¹⁴ = 14451218737 is a prime.

It is not a weakly prime, because it can be changed into another prime (14451235129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7225617560 + 7225617561.

It is an arithmetic number, because the mean of its divisors is an integer number (7225617561).

Almost surely, 2^14451235121 is an apocalyptic number.

It is an amenable number.

14451235121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14451235121 is an equidigital number, since it uses as much as digits as its factorization.

14451235121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The spelling of 14451235121 in words is "fourteen billion, four hundred fifty-one million, two hundred thirty-five thousand, one hundred twenty-one".