1323101120 has 84 divisors (see below), whose sum is σ = 3463195512. Its totient is φ = 481113600.

The previous prime is 1323101083. The next prime is 1323101123. The reversal of 1323101120 is 211013231.

It is a junction number, because it is equal to n+sod(n) for n = 1323101095 and 1323101104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323101123) 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 11 ways as a sum of consecutive naturals, for example, 21635 + ... + 55805.

It is an arithmetic number, because the mean of its divisors is an integer number (41228518).

Almost surely, 2^1323101120 is an apocalyptic number.

1323101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731597756).

1323101120 is an abundant number, since it is smaller than the sum of its proper divisors (2140094392).

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

1323101120 is a wasteful number, since it uses less digits than its factorization.

1323101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210 (or 34189 counting only the distinct ones).

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

The square root of 1323101120 is about 36374.4569718917. The cubic root of 1323101120 is about 1097.8196812281.

Adding to 1323101120 its reverse (211013231), we get a palindrome (1534114351).

The spelling of 1323101120 in words is "one billion, three hundred twenty-three million, one hundred one thousand, one hundred twenty".