14142253121 has 4 divisors (see below), whose sum is σ = 14142980544. Its totient is φ = 14141525700.

The previous prime is 14142253117. The next prime is 14142253157. The reversal of 14142253121 is 12135224141.

It is a happy number.

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 14142253121 - 2² = 14142253117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142253171) 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, 333725 + ... + 373706.

It is an arithmetic number, because the mean of its divisors is an integer number (3535745136).

Almost surely, 2^14142253121 is an apocalyptic number.

It is an amenable number.

14142253121 is a deficient number, since it is larger than the sum of its proper divisors (727423).

14142253121 is an equidigital number, since it uses as much as digits as its factorization.

14142253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727422.

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

Adding to 14142253121 its reverse (12135224141), we get a palindrome (26277477262).

The spelling of 14142253121 in words is "fourteen billion, one hundred forty-two million, two hundred fifty-three thousand, one hundred twenty-one".