1300230221 has 4 divisors (see below), whose sum is σ = 1300354812. Its totient is φ = 1300105632.

The previous prime is 1300230187. The next prime is 1300230247. The reversal of 1300230221 is 1220320031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 842740900 + 457489321 = 29030^2 + 21389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300230221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300230196 and 1300230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300230271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45050 + ... + 68043.

It is an arithmetic number, because the mean of its divisors is an integer number (325088703).

Almost surely, 2^1300230221 is an apocalyptic number.

It is an amenable number.

1300230221 is a deficient number, since it is larger than the sum of its proper divisors (124591).

1300230221 is a wasteful number, since it uses less digits than its factorization.

1300230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124590.

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

The square root of 1300230221 is about 36058.7052041529. The cubic root of 1300230221 is about 1091.4573052996.

Adding to 1300230221 its reverse (1220320031), we get a palindrome (2520550252).

The spelling of 1300230221 in words is "one billion, three hundred million, two hundred thirty thousand, two hundred twenty-one".