1143324120 has 128 divisors (see below), whose sum is σ = 3647255040. Its totient is φ = 285726720.

The previous prime is 1143324097. The next prime is 1143324121. The reversal of 1143324120 is 214233411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143324121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535455 + ... + 537585.

It is an arithmetic number, because the mean of its divisors is an integer number (28494180).

Almost surely, 2^1143324120 is an apocalyptic number.

1143324120 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 1143324120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823627520).

1143324120 is an abundant number, since it is smaller than the sum of its proper divisors (2503930920).

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

1143324120 is a wasteful number, since it uses less digits than its factorization.

1143324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1143324120 is about 33813.0761688433. The cubic root of 1143324120 is about 1045.6582987690.

Adding to 1143324120 its reverse (214233411), we get a palindrome (1357557531).

It can be divided in two parts, 11433 and 24120, that added together give a palindrome (35553).

The spelling of 1143324120 in words is "one billion, one hundred forty-three million, three hundred twenty-four thousand, one hundred twenty".