14021121 has 4 divisors (see below), whose sum is σ = 18694832. Its totient is φ = 9347412.

The previous prime is 14021101. The next prime is 14021129. The reversal of 14021121 is 12112041.

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 not a de Polignac number, because 14021121 - 2⁵ = 14021089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14021097 and 14021106.

It is not an unprimeable number, because it can be changed into a prime (14021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336851 + ... + 2336856.

It is an arithmetic number, because the mean of its divisors is an integer number (4673708).

Almost surely, 2^14021121 is an apocalyptic number.

It is an amenable number.

14021121 is a deficient number, since it is larger than the sum of its proper divisors (4673711).

14021121 is an equidigital number, since it uses as much as digits as its factorization.

14021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673710.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 14021121 is about 3744.4787354183. The cubic root of 14021121 is about 241.1353669824.

Adding to 14021121 its reverse (12112041), we get a palindrome (26133162).

The spelling of 14021121 in words is "fourteen million, twenty-one thousand, one hundred twenty-one".