11134421 has 4 divisors (see below), whose sum is σ = 11323200. Its totient is φ = 10945644.

The previous prime is 11134397. The next prime is 11134427. The reversal of 11134421 is 12443111.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11134421 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 11134421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11134427) 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, 94301 + ... + 94418.

It is an arithmetic number, because the mean of its divisors is an integer number (2830800).

Almost surely, 2^11134421 is an apocalyptic number.

It is an amenable number.

11134421 is a deficient number, since it is larger than the sum of its proper divisors (188779).

11134421 is an equidigital number, since it uses as much as digits as its factorization.

11134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188778.

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

The square root of 11134421 is about 3336.8279847784. The cubic root of 11134421 is about 223.3002517768.

Adding to 11134421 its reverse (12443111), we get a palindrome (23577532).

The spelling of 11134421 in words is "eleven million, one hundred thirty-four thousand, four hundred twenty-one".