1300320221 has 8 divisors (see below), whose sum is σ = 1304849664. Its totient is φ = 1295799120.

The previous prime is 1300320209. The next prime is 1300320223. The reversal of 1300320221 is 1220230031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300320221 - 2¹⁸ = 1300058077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300320196 and 1300320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300320223) by changing a digit.

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, 489920 + ... + 492566.

It is an arithmetic number, because the mean of its divisors is an integer number (163106208).

Almost surely, 2^1300320221 is an apocalyptic number.

It is an amenable number.

1300320221 is a deficient number, since it is larger than the sum of its proper divisors (4529443).

1300320221 is a wasteful number, since it uses less digits than its factorization.

1300320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1300320221 is about 36059.9531475015. The cubic root of 1300320221 is about 1091.4824877351.

Adding to 1300320221 its reverse (1220230031), we get a palindrome (2520550252).

The spelling of 1300320221 in words is "one billion, three hundred million, three hundred twenty thousand, two hundred twenty-one".