14401254121 has 4 divisors (see below), whose sum is σ = 14475872212. Its totient is φ = 14326636032.

The previous prime is 14401254061. The next prime is 14401254211. The reversal of 14401254121 is 12145210441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4659564121 + 9741690000 = 68261^2 + 98700^2 .

It is a cyclic number.

It is not a de Polignac number, because 14401254121 - 2⁹ = 14401253609 is a prime.

It is a super-2 number, since 2×14401254121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14401254521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37308756 + ... + 37309141.

It is an arithmetic number, because the mean of its divisors is an integer number (3618968053).

Almost surely, 2^14401254121 is an apocalyptic number.

It is an amenable number.

14401254121 is a deficient number, since it is larger than the sum of its proper divisors (74618091).

14401254121 is an equidigital number, since it uses as much as digits as its factorization.

14401254121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74618090.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 14401254121 its reverse (12145210441), we get a palindrome (26546464562).

The spelling of 14401254121 in words is "fourteen billion, four hundred one million, two hundred fifty-four thousand, one hundred twenty-one".