1321102304 has 12 divisors (see below), whose sum is σ = 2600920224. Its totient is φ = 660551136.

The previous prime is 1321102303. The next prime is 1321102333. The reversal of 1321102304 is 4032011231.

It is a super-2 number, since 2×1321102304² = 3490622595268216832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321102301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20642192 + ... + 20642255.

It is an arithmetic number, because the mean of its divisors is an integer number (216743352).

Almost surely, 2^1321102304 is an apocalyptic number.

It is an amenable number.

1321102304 is a deficient number, since it is larger than the sum of its proper divisors (1279817920).

1321102304 is an equidigital number, since it uses as much as digits as its factorization.

1321102304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41284457 (or 41284449 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321102304 is about 36346.9710429906. The cubic root of 1321102304 is about 1097.2665752361.

Adding to 1321102304 its reverse (4032011231), we get a palindrome (5353113535).

The spelling of 1321102304 in words is "one billion, three hundred twenty-one million, one hundred two thousand, three hundred four".