1143321424 has 40 divisors (see below), whose sum is σ = 2556245120. Its totient is φ = 485232768.

The previous prime is 1143321419. The next prime is 1143321469. The reversal of 1143321424 is 4241233411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38019 + ... + 61090.

It is an arithmetic number, because the mean of its divisors is an integer number (63906128).

Almost surely, 2^1143321424 is an apocalyptic number.

1143321424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143321424 is an abundant number, since it is smaller than the sum of its proper divisors (1412923696).

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

1143321424 is a wasteful number, since it uses less digits than its factorization.

1143321424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99227 (or 99221 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1143321424 is about 33813.0363025860. The cubic root of 1143321424 is about 1045.6574768682.

Adding to 1143321424 its reverse (4241233411), we get a palindrome (5384554835).

The spelling of 1143321424 in words is "one billion, one hundred forty-three million, three hundred twenty-one thousand, four hundred twenty-four".