1047361321 has 2 divisors, whose sum is σ = 1047361322. Its totient is φ = 1047361320.

The previous prime is 1047361291. The next prime is 1047361391. The reversal of 1047361321 is 1231637401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951105600 + 96255721 = 30840^2 + 9811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047361321 - 2¹⁵ = 1047328553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047361321.

It is not a weakly prime, because it can be changed into another prime (1047361391) 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 as a sum of consecutive naturals, namely, 523680660 + 523680661.

It is an arithmetic number, because the mean of its divisors is an integer number (523680661).

Almost surely, 2^1047361321 is an apocalyptic number.

It is an amenable number.

1047361321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047361321 is an equidigital number, since it uses as much as digits as its factorization.

1047361321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1047361321 is about 32362.9621790095. The cubic root of 1047361321 is about 1015.5442319057.

Adding to 1047361321 its reverse (1231637401), we get a palindrome (2278998722).

The spelling of 1047361321 in words is "one billion, forty-seven million, three hundred sixty-one thousand, three hundred twenty-one".