1000911097 has 2 divisors, whose sum is σ = 1000911098. Its totient is φ = 1000911096.

The previous prime is 1000911047. The next prime is 1000911113. The reversal of 1000911097 is 7901190001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989479936 + 11431161 = 31456^2 + 3381^2 .

It is an emirp because it is prime and its reverse (7901190001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000911097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000911007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500455548 + 500455549.

It is an arithmetic number, because the mean of its divisors is an integer number (500455549).

Almost surely, 2^1000911097 is an apocalyptic number.

It is an amenable number.

1000911097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000911097 is an equidigital number, since it uses as much as digits as its factorization.

1000911097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 1000911097 is about 31637.1790303750. The cubic root of 1000911097 is about 1000.3036068136.

The spelling of 1000911097 in words is "one billion, nine hundred eleven thousand, ninety-seven".