1321100132 has 24 divisors (see below), whose sum is σ = 2524549440. Its totient is φ = 599916960.

The previous prime is 1321100129. The next prime is 1321100149. The reversal of 1321100132 is 2310011231.

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 7 ways as a sum of consecutive naturals, for example, 32993 + ... + 61079.

It is an arithmetic number, because the mean of its divisors is an integer number (105189560).

Almost surely, 2^1321100132 is an apocalyptic number.

It is an amenable number.

1321100132 is a deficient number, since it is larger than the sum of its proper divisors (1203449308).

1321100132 is a wasteful number, since it uses less digits than its factorization.

1321100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29171 (or 29169 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1321100132 is about 36346.9411642851. The cubic root of 1321100132 is about 1097.2659739038.

Adding to 1321100132 its reverse (2310011231), we get a palindrome (3631111363).

The spelling of 1321100132 in words is "one billion, three hundred twenty-one million, one hundred thousand, one hundred thirty-two".