1321430522 has 8 divisors (see below), whose sum is σ = 1990440000. Its totient is φ = 657950524.

The previous prime is 1321430483. The next prime is 1321430557. The reversal of 1321430522 is 2250341231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381772 + ... + 1382727.

It is an arithmetic number, because the mean of its divisors is an integer number (248805000).

Almost surely, 2^1321430522 is an apocalyptic number.

1321430522 is a deficient number, since it is larger than the sum of its proper divisors (669009478).

1321430522 is a wasteful number, since it uses less digits than its factorization.

1321430522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764740.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1321430522 is about 36351.4858293303. The cubic root of 1321430522 is about 1097.3574369402.

Adding to 1321430522 its reverse (2250341231), we get a palindrome (3571771753).

The spelling of 1321430522 in words is "one billion, three hundred twenty-one million, four hundred thirty thousand, five hundred twenty-two".