1103022120 has 64 divisors (see below), whose sum is σ = 3311305920. Its totient is φ = 293940224.

The previous prime is 1103022119. The next prime is 1103022127. The reversal of 1103022120 is 212203011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1103022096 and 1103022105.

It is not an unprimeable number, because it can be changed into a prime (1103022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288139 + ... + 291941.

It is an arithmetic number, because the mean of its divisors is an integer number (51739155).

Almost surely, 2^1103022120 is an apocalyptic number.

1103022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103022120 is an abundant number, since it is smaller than the sum of its proper divisors (2208283800).

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

1103022120 is a wasteful number, since it uses less digits than its factorization.

1103022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234 (or 6230 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103022120 is about 33211.7768269028. The cubic root of 1103022120 is about 1033.2246068977.

Adding to 1103022120 its reverse (212203011), we get a palindrome (1315225131).

The spelling of 1103022120 in words is "one billion, one hundred three million, twenty-two thousand, one hundred twenty".