1321254332 has 12 divisors (see below), whose sum is σ = 2319058560. Its totient is φ = 658666176.

The previous prime is 1321254329. The next prime is 1321254367. The reversal of 1321254332 is 2334521231.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 488732 + ... + 491427.

It is an arithmetic number, because the mean of its divisors is an integer number (193254880).

Almost surely, 2^1321254332 is an apocalyptic number.

It is an amenable number.

1321254332 is a deficient number, since it is larger than the sum of its proper divisors (997804228).

1321254332 is a wasteful number, since it uses less digits than its factorization.

1321254332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980500 (or 980498 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1321254332 is about 36349.0623262829. The cubic root of 1321254332 is about 1097.3086635346.

Adding to 1321254332 its reverse (2334521231), we get a palindrome (3655775563).

The spelling of 1321254332 in words is "one billion, three hundred twenty-one million, two hundred fifty-four thousand, three hundred thirty-two".