1001285671 has 2 divisors, whose sum is σ = 1001285672. Its totient is φ = 1001285670.

The previous prime is 1001285633. The next prime is 1001285683. The reversal of 1001285671 is 1765821001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001285671 - 2⁷ = 1001285543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001285471) 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, 500642835 + 500642836.

It is an arithmetic number, because the mean of its divisors is an integer number (500642836).

Almost surely, 2^1001285671 is an apocalyptic number.

1001285671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001285671 is an equidigital number, since it uses as much as digits as its factorization.

1001285671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1001285671 is about 31643.0983154305. The cubic root of 1001285671 is about 1000.4283734700.

The spelling of 1001285671 in words is "one billion, one million, two hundred eighty-five thousand, six hundred seventy-one".