1122321120 has 48 divisors (see below), whose sum is σ = 3535313040. Its totient is φ = 299285504.

The previous prime is 1122321119. The next prime is 1122321217. The reversal of 1122321120 is 211232211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122321120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168605 + ... + 1169564.

It is an arithmetic number, because the mean of its divisors is an integer number (73652355).

Almost surely, 2^1122321120 is an apocalyptic number.

1122321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122321120 is an abundant number, since it is smaller than the sum of its proper divisors (2412991920).

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

1122321120 is a wasteful number, since it uses less digits than its factorization.

1122321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338187 (or 2338179 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1122321120 is about 33501.0614757204. The cubic root of 1122321120 is about 1039.2157302255.

Adding to 1122321120 its reverse (211232211), we get a palindrome (1333553331).

It can be divided in two parts, 112 and 2321120, that added together give a palindrome (2321232).

The spelling of 1122321120 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred twenty".