11121304 has 16 divisors (see below), whose sum is σ = 21117600. Its totient is φ = 5489952.

The previous prime is 11121223. The next prime is 11121307. The reversal of 11121304 is 40312111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8167 + ... + 9430.

It is an arithmetic number, because the mean of its divisors is an integer number (1319850).

Almost surely, 2^11121304 is an apocalyptic number.

It is an amenable number.

11121304 is a deficient number, since it is larger than the sum of its proper divisors (9996296).

11121304 is a wasteful number, since it uses less digits than its factorization.

11121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17682 (or 17678 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11121304 is about 3334.8619161818. The cubic root of 11121304 is about 223.2125303963.

Adding to 11121304 its reverse (40312111), we get a palindrome (51433415).

The spelling of 11121304 in words is "eleven million, one hundred twenty-one thousand, three hundred four".