1300221117 has 24 divisors (see below), whose sum is σ = 2034288984. Its totient is φ = 795498624.

The previous prime is 1300221101. The next prime is 1300221133. The reversal of 1300221117 is 7111220031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1300221101) and next prime (1300221133).

It can be written as a sum of positive squares in 4 ways, for example, as 398960676 + 901260441 = 19974^2 + 30021^2 .

It is not a de Polignac number, because 1300221117 - 2⁴ = 1300221101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300221117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300221187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11878 + ... + 52359.

It is an arithmetic number, because the mean of its divisors is an integer number (84762041).

Almost surely, 2^1300221117 is an apocalyptic number.

It is an amenable number.

1300221117 is a deficient number, since it is larger than the sum of its proper divisors (734067867).

1300221117 is a wasteful number, since it uses less digits than its factorization.

1300221117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64429 (or 64426 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1300221117 is about 36058.5789653447. The cubic root of 1300221117 is about 1091.4547578916.

Adding to 1300221117 its reverse (7111220031), we get a palindrome (8411441148).

The spelling of 1300221117 in words is "one billion, three hundred million, two hundred twenty-one thousand, one hundred seventeen".