1000442071 has 2 divisors, whose sum is σ = 1000442072. Its totient is φ = 1000442070.

The previous prime is 1000442059. The next prime is 1000442117. The reversal of 1000442071 is 1702440001.

It is a weak prime.

It is an emirp because it is prime and its reverse (1702440001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000442071 - 2¹⁹ = 999917783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000442011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500221035 + 500221036.

It is an arithmetic number, because the mean of its divisors is an integer number (500221036).

Almost surely, 2^1000442071 is an apocalyptic number.

1000442071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000442071 is an equidigital number, since it uses as much as digits as its factorization.

1000442071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1000442071 is about 31629.7655855999. The cubic root of 1000442071 is about 1000.1473352912.

Adding to 1000442071 its reverse (1702440001), we get a palindrome (2702882072).

The spelling of 1000442071 in words is "one billion, four hundred forty-two thousand, seventy-one".