14506402121 has 4 divisors (see below), whose sum is σ = 14512747392. Its totient is φ = 14500056852.

The previous prime is 14506402117. The next prime is 14506402147. The reversal of 14506402121 is 12120460541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14506402121 - 2² = 14506402117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14506402111) 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 in 3 ways as a sum of consecutive naturals, for example, 3169205 + ... + 3173778.

It is an arithmetic number, because the mean of its divisors is an integer number (3628186848).

Almost surely, 2^14506402121 is an apocalyptic number.

It is an amenable number.

14506402121 is a deficient number, since it is larger than the sum of its proper divisors (6345271).

14506402121 is an equidigital number, since it uses as much as digits as its factorization.

14506402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345270.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 14506402121 its reverse (12120460541), we get a palindrome (26626862662).

The spelling of 14506402121 in words is "fourteen billion, five hundred six million, four hundred two thousand, one hundred twenty-one".