1000909937 has 2 divisors, whose sum is σ = 1000909938. Its totient is φ = 1000909936.

The previous prime is 1000909919. The next prime is 1000909961. The reversal of 1000909937 is 7399090001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000836496 + 73441 = 31636^2 + 271^2 .

It is an emirp because it is prime and its reverse (7399090001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000909937 - 2²⁰ = 999861361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000909937.

It is not a weakly prime, because it can be changed into another prime (1000909997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500454968 + 500454969.

It is an arithmetic number, because the mean of its divisors is an integer number (500454969).

Almost surely, 2^1000909937 is an apocalyptic number.

It is an amenable number.

1000909937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000909937 is an equidigital number, since it uses as much as digits as its factorization.

1000909937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 1000909937 is about 31637.1606975089. The cubic root of 1000909937 is about 1000.3032203814.

Adding to 1000909937 its reverse (7399090001), we get a palindrome (8399999938).

The spelling of 1000909937 in words is "one billion, nine hundred nine thousand, nine hundred thirty-seven".