1321110032 has 40 divisors (see below), whose sum is σ = 2795675232. Its totient is φ = 599788800.

The previous prime is 1321110031. The next prime is 1321110053. The reversal of 1321110032 is 2300111231.

It is a junction number, because it is equal to n+sod(n) for n = 1321109989 and 1321110016.

It is not an unprimeable number, because it can be changed into a prime (1321110031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160907 + ... + 168917.

Almost surely, 2^1321110032 is an apocalyptic number.

It is an amenable number.

1321110032 is an abundant number, since it is smaller than the sum of its proper divisors (1474565200).

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

1321110032 is a wasteful number, since it uses less digits than its factorization.

1321110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967 (or 8961 counting only the distinct ones).

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

The square root of 1321110032 is about 36347.0773515561. The cubic root of 1321110032 is about 1097.2687147776.

Adding to 1321110032 its reverse (2300111231), we get a palindrome (3621221263).

The spelling of 1321110032 in words is "one billion, three hundred twenty-one million, one hundred ten thousand, thirty-two".