1321104224 has 24 divisors (see below), whose sum is σ = 2837372328. Its totient is φ = 600501760.

The previous prime is 1321104209. The next prime is 1321104241. The reversal of 1321104224 is 4224011231.

It is a junction number, because it is equal to n+sod(n) for n = 1321104196 and 1321104205.

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, 1876217 + ... + 1876920.

It is an arithmetic number, because the mean of its divisors is an integer number (118223847).

Almost surely, 2^1321104224 is an apocalyptic number.

It is an amenable number.

1321104224 is an abundant number, since it is smaller than the sum of its proper divisors (1516268104).

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

1321104224 is a wasteful number, since it uses less digits than its factorization.

1321104224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753158 (or 3753150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1321104224 is about 36346.9974550856. The cubic root of 1321104224 is about 1097.2671068000.

Adding to 1321104224 its reverse (4224011231), we get a palindrome (5545115455).

The spelling of 1321104224 in words is "one billion, three hundred twenty-one million, one hundred four thousand, two hundred twenty-four".