1322421143 has 8 divisors (see below), whose sum is σ = 1421110512. Its totient is φ = 1226054016.

The previous prime is 1322421131. The next prime is 1322421241. The reversal of 1322421143 is 3411242231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322421143 - 2⁸ = 1322420887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322411143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579380 + ... + 581657.

It is an arithmetic number, because the mean of its divisors is an integer number (177638814).

Almost surely, 2^1322421143 is an apocalyptic number.

1322421143 is a deficient number, since it is larger than the sum of its proper divisors (98689369).

1322421143 is a wasteful number, since it uses less digits than its factorization.

1322421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161121.

The product of its digits is 1152, while the sum is 23.

The square root of 1322421143 is about 36365.1088682545. The cubic root of 1322421143 is about 1097.6315827174.

Adding to 1322421143 its reverse (3411242231), we get a palindrome (4733663374).

The spelling of 1322421143 in words is "one billion, three hundred twenty-two million, four hundred twenty-one thousand, one hundred forty-three".