1123224111 has 16 divisors (see below), whose sum is σ = 1676012800. Its totient is φ = 743426424.

The previous prime is 1123224101. The next prime is 1123224139. The reversal of 1123224111 is 1114223211.

It is not a de Polignac number, because 1123224111 - 2⁹ = 1123223599 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 (1123224101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145891 + ... + 153396.

It is an arithmetic number, because the mean of its divisors is an integer number (104750800).

Almost surely, 2^1123224111 is an apocalyptic number.

1123224111 is a deficient number, since it is larger than the sum of its proper divisors (552788689).

1123224111 is a wasteful number, since it uses less digits than its factorization.

1123224111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299435 (or 299429 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1123224111 is about 33514.5358165677. The cubic root of 1123224111 is about 1039.4943643513.

Adding to 1123224111 its reverse (1114223211), we get a palindrome (2237447322).

It can be divided in two parts, 112 and 3224111, that added together give a palindrome (3224223).

The spelling of 1123224111 in words is "one billion, one hundred twenty-three million, two hundred twenty-four thousand, one hundred eleven".