1321000301 has 2 divisors, whose sum is σ = 1321000302. Its totient is φ = 1321000300.

The previous prime is 1321000271. The next prime is 1321000309. The reversal of 1321000301 is 1030001231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230255625 + 90744676 = 35075^2 + 9526^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321000301 - 2⁶ = 1321000237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660500150 + 660500151.

It is an arithmetic number, because the mean of its divisors is an integer number (660500151).

Almost surely, 2^1321000301 is an apocalyptic number.

It is an amenable number.

1321000301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321000301 is an equidigital number, since it uses as much as digits as its factorization.

1321000301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1321000301 is about 36345.5678315802. The cubic root of 1321000301 is about 1097.2383343338.

Adding to 1321000301 its reverse (1030001231), we get a palindrome (2351001532).

The spelling of 1321000301 in words is "one billion, three hundred twenty-one million, three hundred one", and thus it is an aban number.