1320350089 has 2 divisors, whose sum is σ = 1320350090. Its totient is φ = 1320350088.

The previous prime is 1320350011. The next prime is 1320350107. The reversal of 1320350089 is 9800530231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780252489 + 540097600 = 27933^2 + 23240^2 .

It is an emirp because it is prime and its reverse (9800530231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320350089 - 2¹¹ = 1320348041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320350089.

It is not a weakly prime, because it can be changed into another prime (1320351089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660175044 + 660175045.

It is an arithmetic number, because the mean of its divisors is an integer number (660175045).

Almost surely, 2^1320350089 is an apocalyptic number.

It is an amenable number.

1320350089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320350089 is an equidigital number, since it uses as much as digits as its factorization.

1320350089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1320350089 is about 36336.6218710546. The cubic root of 1320350089 is about 1097.0582802194.

The spelling of 1320350089 in words is "one billion, three hundred twenty million, three hundred fifty thousand, eighty-nine".