14121491 has 2 divisors, whose sum is σ = 14121492. Its totient is φ = 14121490.

The previous prime is 14121469. The next prime is 14121493. The reversal of 14121491 is 19412141.

14121491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121491 is a prime.

Together with 14121493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14121493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060745 + 7060746.

It is an arithmetic number, because the mean of its divisors is an integer number (7060746).

Almost surely, 2^14121491 is an apocalyptic number.

14121491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14121491 is an equidigital number, since it uses as much as digits as its factorization.

14121491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 14121491 is about 3757.8572351807. The cubic root of 14121491 is about 241.7093875063.

The spelling of 14121491 in words is "fourteen million, one hundred twenty-one thousand, four hundred ninety-one".