11914121 has 4 divisors (see below), whose sum is σ = 12541200. Its totient is φ = 11287044.

The previous prime is 11914109. The next prime is 11914169. The reversal of 11914121 is 12141911.

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 11914121 - 2¹⁸ = 11651977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11914093 and 11914102.

It is not an unprimeable number, because it can be changed into a prime (11914181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313511 + ... + 313548.

It is an arithmetic number, because the mean of its divisors is an integer number (3135300).

Almost surely, 2^11914121 is an apocalyptic number.

It is an amenable number.

11914121 is a deficient number, since it is larger than the sum of its proper divisors (627079).

11914121 is an equidigital number, since it uses as much as digits as its factorization.

11914121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627078.

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

The square root of 11914121 is about 3451.6837920064. The cubic root of 11914121 is about 228.3953909263.

The spelling of 11914121 in words is "eleven million, nine hundred fourteen thousand, one hundred twenty-one".