1122131223 has 18 divisors (see below), whose sum is σ = 1721813184. Its totient is φ = 704080704.

The previous prime is 1122131221. The next prime is 1122131237. The reversal of 1122131223 is 3221312211.

It is not a de Polignac number, because 1122131223 - 2¹ = 1122131221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122131196 and 1122131205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 213111 + ... + 218312.

It is an arithmetic number, because the mean of its divisors is an integer number (95656288).

Almost surely, 2^1122131223 is an apocalyptic number.

1122131223 is a deficient number, since it is larger than the sum of its proper divisors (599681961).

1122131223 is a wasteful number, since it uses less digits than its factorization.

1122131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431463 (or 431443 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1122131223 is about 33498.2271620455. The cubic root of 1122131223 is about 1039.1571150700.

Adding to 1122131223 its reverse (3221312211), we get a palindrome (4343443434).

The spelling of 1122131223 in words is "one billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-three".