11124321 has 16 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 6796800.

The previous prime is 11124293. The next prime is 11124349. The reversal of 11124321 is 12342111.

It is an interprime number because it is at equal distance from previous prime (11124293) and next prime (11124349).

It is not a de Polignac number, because 11124321 - 2⁷ = 11124193 is a prime.

It is a super-2 number, since 2×11124321² = 247501035422082, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11124321.

It is not an unprimeable number, because it can be changed into a prime (11124361) 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 15 ways as a sum of consecutive naturals, for example, 4945 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^11124321 is an apocalyptic number.

It is an amenable number.

11124321 is a deficient number, since it is larger than the sum of its proper divisors (4963359).

11124321 is a wasteful number, since it uses less digits than its factorization.

11124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its digits is 48, while the sum is 15.

The square root of 11124321 is about 3335.3142280751. The cubic root of 11124321 is about 223.2327130210.

Adding to 11124321 its reverse (12342111), we get a palindrome (23466432).

The spelling of 11124321 in words is "eleven million, one hundred twenty-four thousand, three hundred twenty-one".