14512121 has 4 divisors (see below), whose sum is σ = 15628452. Its totient is φ = 13395792.

The previous prime is 14512117. The next prime is 14512139. The reversal of 14512121 is 12121541.

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 8065600 + 6446521 = 2840^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 14512121 - 2² = 14512117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14512121.

It is not an unprimeable number, because it can be changed into a prime (14512111) 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, 558146 + ... + 558171.

It is an arithmetic number, because the mean of its divisors is an integer number (3907113).

Almost surely, 2^14512121 is an apocalyptic number.

It is an amenable number.

14512121 is a deficient number, since it is larger than the sum of its proper divisors (1116331).

14512121 is a wasteful number, since it uses less digits than its factorization.

14512121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116330.

The product of its digits is 80, while the sum is 17.

The square root of 14512121 is about 3809.4777857339. The cubic root of 14512121 is about 243.9178763758.

Adding to 14512121 its reverse (12121541), we get a palindrome (26633662).

The spelling of 14512121 in words is "fourteen million, five hundred twelve thousand, one hundred twenty-one".