1143041320 has 16 divisors (see below), whose sum is σ = 2571843060. Its totient is φ = 457216512.

The previous prime is 1143041309. The next prime is 1143041323. The reversal of 1143041320 is 231403411.

1143041320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1108490436 + 34550884 = 33294^2 + 5878^2 .

It is not an unprimeable number, because it can be changed into a prime (1143041323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14287977 + ... + 14288056.

Almost surely, 2^1143041320 is an apocalyptic number.

1143041320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143041320 is an abundant number, since it is smaller than the sum of its proper divisors (1428801740).

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

1143041320 is a wasteful number, since it uses less digits than its factorization.

1143041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28576044 (or 28576040 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143041320 is about 33808.8940960807. The cubic root of 1143041320 is about 1045.5720775052.

Adding to 1143041320 its reverse (231403411), we get a palindrome (1374444731).

The spelling of 1143041320 in words is "one billion, one hundred forty-three million, forty-one thousand, three hundred twenty".