1103321120 has 48 divisors (see below), whose sum is σ = 2843563968. Its totient is φ = 401207040.

The previous prime is 1103321119. The next prime is 1103321123. The reversal of 1103321120 is 211233011.

It is a junction number, because it is equal to n+sod(n) for n = 1103321095 and 1103321104.

It is not an unprimeable number, because it can be changed into a prime (1103321123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311684 + ... + 315203.

It is an arithmetic number, because the mean of its divisors is an integer number (59240916).

Almost surely, 2^1103321120 is an apocalyptic number.

1103321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103321120 is an abundant number, since it is smaller than the sum of its proper divisors (1740242848).

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

1103321120 is a wasteful number, since it uses less digits than its factorization.

1103321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626913 (or 626905 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103321120 is about 33216.2779371801. The cubic root of 1103321120 is about 1033.3179583792.

Adding to 1103321120 its reverse (211233011), we get a palindrome (1314554131).

It can be divided in two parts, 1103 and 321120, that added together give a palindrome (322223).

The spelling of 1103321120 in words is "one billion, one hundred three million, three hundred twenty-one thousand, one hundred twenty".