1103323122 has 96 divisors (see below), whose sum is σ = 2756819520. Its totient is φ = 315394560.

The previous prime is 1103323093. The next prime is 1103323127. The reversal of 1103323122 is 2213233011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1103323095 and 1103323104.

It is not an unprimeable number, because it can be changed into a prime (1103323127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1177038 + ... + 1177974.

It is an arithmetic number, because the mean of its divisors is an integer number (28716870).

Almost surely, 2^1103323122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103323122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378409760).

1103323122 is an abundant number, since it is smaller than the sum of its proper divisors (1653496398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103323122 is a wasteful number, since it uses less digits than its factorization.

1103323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103323122 is about 33216.3080729933. The cubic root of 1103323122 is about 1033.3185833714.

Adding to 1103323122 its reverse (2213233011), we get a palindrome (3316556133).

It can be divided in two parts, 11033231 and 22, that added together give a triangular number (11033253 = T₄₆₉₇).

The spelling of 1103323122 in words is "one billion, one hundred three million, three hundred twenty-three thousand, one hundred twenty-two".