1143110120 has 128 divisors (see below), whose sum is σ = 2799360000. Its totient is φ = 418851840.

The previous prime is 1143110119. The next prime is 1143110123. The reversal of 1143110120 is 210113411.

It is a junction number, because it is equal to n+sod(n) for n = 1143110095 and 1143110104.

It is not an unprimeable number, because it can be changed into a prime (1143110123) 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 31 ways as a sum of consecutive naturals, for example, 4249346 + ... + 4249614.

It is an arithmetic number, because the mean of its divisors is an integer number (21870000).

Almost surely, 2^1143110120 is an apocalyptic number.

1143110120 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 1143110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399680000).

1143110120 is an abundant number, since it is smaller than the sum of its proper divisors (1656249880).

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

1143110120 is a wasteful number, since it uses less digits than its factorization.

1143110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1143110120 is about 33809.9115645102. The cubic root of 1143110120 is about 1045.5930548500.

Adding to 1143110120 its reverse (210113411), we get a palindrome (1353223531).

The spelling of 1143110120 in words is "one billion, one hundred forty-three million, one hundred ten thousand, one hundred twenty".