1122321123 has 32 divisors (see below), whose sum is σ = 2072977920. Its totient is φ = 583022880.

The previous prime is 1122321119. The next prime is 1122321217. The reversal of 1122321123 is 3211232211.

It is not a de Polignac number, because 1122321123 - 2² = 1122321119 is a prime.

It is a super-2 number, since 2×1122321123² = 2519209406263962258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122321096 and 1122321105.

It is not an unprimeable number, because it can be changed into a prime (1122325123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267840 + ... + 271997.

It is an arithmetic number, because the mean of its divisors is an integer number (64780560).

Almost surely, 2^1122321123 is an apocalyptic number.

1122321123 is a deficient number, since it is larger than the sum of its proper divisors (950656797).

1122321123 is a wasteful number, since it uses less digits than its factorization.

1122321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539864 (or 539858 counting only the distinct ones).

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

The square root of 1122321123 is about 33501.0615204951. The cubic root of 1122321123 is about 1039.2157311514.

Adding to 1122321123 its reverse (3211232211), we get a palindrome (4333553334).

The spelling of 1122321123 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred twenty-three".