14121431 has 4 divisors (see below), whose sum is σ = 14182272. Its totient is φ = 14060592.

The previous prime is 14121421. The next prime is 14121433. The reversal of 14121431 is 13412141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13412141 = 1213 ⋅11057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121431 is a prime.

It is a super-2 number, since 2×14121431² = 398829626975522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121433) 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, 30071 + ... + 30536.

It is an arithmetic number, because the mean of its divisors is an integer number (3545568).

Almost surely, 2^14121431 is an apocalyptic number.

14121431 is a deficient number, since it is larger than the sum of its proper divisors (60841).

14121431 is an equidigital number, since it uses as much as digits as its factorization.

14121431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60840.

The product of its digits is 96, while the sum is 17.

The square root of 14121431 is about 3757.8492518993. The cubic root of 14121431 is about 241.7090451774.

Adding to 14121431 its reverse (13412141), we get a palindrome (27533572).

The spelling of 14121431 in words is "fourteen million, one hundred twenty-one thousand, four hundred thirty-one".