14121281 has 2 divisors, whose sum is σ = 14121282. Its totient is φ = 14121280.

The previous prime is 14121229. The next prime is 14121293. The reversal of 14121281 is 18212141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 4879681 = 3040^2 + 2209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121281 is a prime.

It is a super-2 number, since 2×14121281² = 398821154161922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060640 + 7060641.

It is an arithmetic number, because the mean of its divisors is an integer number (7060641).

Almost surely, 2^14121281 is an apocalyptic number.

It is an amenable number.

14121281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14121281 is an equidigital number, since it uses as much as digits as its factorization.

14121281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 20.

The square root of 14121281 is about 3757.8292936215. The cubic root of 14121281 is about 241.7081893509.

The spelling of 14121281 in words is "fourteen million, one hundred twenty-one thousand, two hundred eighty-one".