1322243121 has 8 divisors (see below), whose sum is σ = 1764370080. Its totient is φ = 880805792.

The previous prime is 1322243029. The next prime is 1322243177. The reversal of 1322243121 is 1213422231.

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 1322243121 - 2¹¹ = 1322241073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322243921) 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, 167916 + ... + 175613.

It is an arithmetic number, because the mean of its divisors is an integer number (220546260).

Almost surely, 2^1322243121 is an apocalyptic number.

It is an amenable number.

1322243121 is a deficient number, since it is larger than the sum of its proper divisors (442126959).

1322243121 is a wasteful number, since it uses less digits than its factorization.

1322243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344815.

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

The square root of 1322243121 is about 36362.6610824895. The cubic root of 1322243121 is about 1097.5823267650.

Adding to 1322243121 its reverse (1213422231), we get a palindrome (2535665352).

The spelling of 1322243121 in words is "one billion, three hundred twenty-two million, two hundred forty-three thousand, one hundred twenty-one".