14121191 has 4 divisors (see below), whose sum is σ = 16138512. Its totient is φ = 12103872.

The previous prime is 14121167. The next prime is 14121221. The reversal of 14121191 is 19112141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19112141 = 569 ⋅33589.

It is a cyclic number.

It is not a de Polignac number, because 14121191 - 2⁶ = 14121127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121391) 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, 1008650 + ... + 1008663.

It is an arithmetic number, because the mean of its divisors is an integer number (4034628).

Almost surely, 2^14121191 is an apocalyptic number.

14121191 is a deficient number, since it is larger than the sum of its proper divisors (2017321).

14121191 is an equidigital number, since it uses as much as digits as its factorization.

14121191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017320.

The product of its digits is 72, while the sum is 20.

The square root of 14121191 is about 3757.8173186040. The cubic root of 14121191 is about 241.7076758521.

The spelling of 14121191 in words is "fourteen million, one hundred twenty-one thousand, one hundred ninety-one".