1321132422 has 32 divisors (see below), whose sum is σ = 2711802240. Its totient is φ = 428828480.

The previous prime is 1321132391. The next prime is 1321132433. The reversal of 1321132422 is 2242311231.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133729 + ... + 143267.

It is an arithmetic number, because the mean of its divisors is an integer number (84743820).

Almost surely, 2^1321132422 is an apocalyptic number.

1321132422 is an abundant number, since it is smaller than the sum of its proper divisors (1390669818).

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

1321132422 is a wasteful number, since it uses less digits than its factorization.

1321132422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148.

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

The square root of 1321132422 is about 36347.3853530072. The cubic root of 1321132422 is about 1097.2749135314.

Adding to 1321132422 its reverse (2242311231), we get a palindrome (3563443653).

The spelling of 1321132422 in words is "one billion, three hundred twenty-one million, one hundred thirty-two thousand, four hundred twenty-two".