14251240121 has 4 divisors (see below), whose sum is σ = 14252481012. Its totient is φ = 14249999232.

The previous prime is 14251240067. The next prime is 14251240141. The reversal of 14251240121 is 12104215241.

14251240121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12104215241 = 1009 ⋅11996249.

It can be written as a sum of positive squares in 2 ways, for example, as 6671622400 + 7579617721 = 81680^2 + 87061^2 .

It is a cyclic number.

It is not a de Polignac number, because 14251240121 - 2¹⁰ = 14251239097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14251240141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603056 + ... + 626241.

It is an arithmetic number, because the mean of its divisors is an integer number (3563120253).

Almost surely, 2^14251240121 is an apocalyptic number.

It is an amenable number.

14251240121 is a deficient number, since it is larger than the sum of its proper divisors (1240891).

14251240121 is a wasteful number, since it uses less digits than its factorization.

14251240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240890.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 14251240121 its reverse (12104215241), we get a palindrome (26355455362).

The spelling of 14251240121 in words is "fourteen billion, two hundred fifty-one million, two hundred forty thousand, one hundred twenty-one".