1300131221 has 8 divisors (see below), whose sum is σ = 1368914400. Its totient is φ = 1231383600.

The previous prime is 1300131193. The next prime is 1300131251. The reversal of 1300131221 is 1221310031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300131221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300131196 and 1300131205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300131251) 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 7 ways as a sum of consecutive naturals, for example, 101315 + ... + 113423.

It is an arithmetic number, because the mean of its divisors is an integer number (171114300).

Almost surely, 2^1300131221 is an apocalyptic number.

It is an amenable number.

1300131221 is a deficient number, since it is larger than the sum of its proper divisors (68783179).

1300131221 is a wasteful number, since it uses less digits than its factorization.

1300131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17779.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1300131221 is about 36057.3324165835. The cubic root of 1300131221 is about 1091.4296032783.

Adding to 1300131221 its reverse (1221310031), we get a palindrome (2521441252).

The spelling of 1300131221 in words is "one billion, three hundred million, one hundred thirty-one thousand, two hundred twenty-one".