1321014089 has 2 divisors, whose sum is σ = 1321014090. Its totient is φ = 1321014088.

The previous prime is 1321014041. The next prime is 1321014091. The reversal of 1321014089 is 9804101231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238476864 + 82537225 = 35192^2 + 9085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321014089 - 2⁸ = 1321013833 is a prime.

Together with 1321014091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1321014689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660507044 + 660507045.

It is an arithmetic number, because the mean of its divisors is an integer number (660507045).

Almost surely, 2^1321014089 is an apocalyptic number.

It is an amenable number.

1321014089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321014089 is an equidigital number, since it uses as much as digits as its factorization.

1321014089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1321014089 is about 36345.7575103340. The cubic root of 1321014089 is about 1097.2421518120.

The spelling of 1321014089 in words is "one billion, three hundred twenty-one million, fourteen thousand, eighty-nine".