1002006071 has 4 divisors (see below), whose sum is σ = 1093097544. Its totient is φ = 910914600.

The previous prime is 1002006053. The next prime is 1002006073. The reversal of 1002006071 is 1706002001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002006071 - 2⁶ = 1002006007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002006073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45545720 + ... + 45545741.

It is an arithmetic number, because the mean of its divisors is an integer number (273274386).

Almost surely, 2^1002006071 is an apocalyptic number.

1002006071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002006071 is a deficient number, since it is larger than the sum of its proper divisors (91091473).

1002006071 is an equidigital number, since it uses as much as digits as its factorization.

1002006071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91091472.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1002006071 is about 31654.4794776348. The cubic root of 1002006071 is about 1000.6682436842.

Adding to 1002006071 its reverse (1706002001), we get a palindrome (2708008072).

The spelling of 1002006071 in words is "one billion, two million, six thousand, seventy-one".