1120343120 has 80 divisors (see below), whose sum is σ = 2816017680. Its totient is φ = 412065792.

The previous prime is 1120343117. The next prime is 1120343177. The reversal of 1120343120 is 213430211.

It can be written as a sum of positive squares in 8 ways, for example, as 116467264 + 1003875856 = 10792^2 + 31684^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286136 + ... + 290024.

It is an arithmetic number, because the mean of its divisors is an integer number (35200221).

Almost surely, 2^1120343120 is an apocalyptic number.

1120343120 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 1120343120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408008840).

1120343120 is an abundant number, since it is smaller than the sum of its proper divisors (1695674560).

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

1120343120 is a wasteful number, since it uses less digits than its factorization.

1120343120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1120343120 is about 33471.5270043062. The cubic root of 1120343120 is about 1038.6048600528.

Adding to 1120343120 its reverse (213430211), we get a palindrome (1333773331).

The spelling of 1120343120 in words is "one billion, one hundred twenty million, three hundred forty-three thousand, one hundred twenty".