1000994947 has 2 divisors, whose sum is σ = 1000994948. Its totient is φ = 1000994946.

The previous prime is 1000994927. The next prime is 1000995013. The reversal of 1000994947 is 7494990001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000994947 - 2¹¹ = 1000992899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000994927) 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, 500497473 + 500497474.

It is an arithmetic number, because the mean of its divisors is an integer number (500497474).

Almost surely, 2^1000994947 is an apocalyptic number.

1000994947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000994947 is an equidigital number, since it uses as much as digits as its factorization.

1000994947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1000994947 is about 31638.5041839844. The cubic root of 1000994947 is about 1000.3315390697.

The spelling of 1000994947 in words is "one billion, nine hundred ninety-four thousand, nine hundred forty-seven".