1321233232 has 40 divisors (see below), whose sum is σ = 2797267392. Its totient is φ = 599558400.

The previous prime is 1321233203. The next prime is 1321233247. The reversal of 1321233232 is 2323321231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105108 + ... + 117004.

Almost surely, 2^1321233232 is an apocalyptic number.

It is an amenable number.

1321233232 is an abundant number, since it is smaller than the sum of its proper divisors (1476034160).

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

1321233232 is a wasteful number, since it uses less digits than its factorization.

1321233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547 (or 12541 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1321233232 is about 36348.7720837995. The cubic root of 1321233232 is about 1097.3028222832.

Adding to 1321233232 its reverse (2323321231), we get a palindrome (3644554463).

The spelling of 1321233232 in words is "one billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred thirty-two".