1002001108 has 12 divisors (see below), whose sum is σ = 1753795540. Its totient is φ = 500916672.

The previous prime is 1002001087. The next prime is 1002001123. The reversal of 1002001108 is 8011002001.

It can be written as a sum of positive squares in 2 ways, for example, as 353891344 + 648109764 = 18812^2 + 25458^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11488 + ... + 46216.

Almost surely, 2^1002001108 is an apocalyptic number.

It is an amenable number.

1002001108 is a deficient number, since it is larger than the sum of its proper divisors (751794432).

1002001108 is a wasteful number, since it uses less digits than its factorization.

1002001108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41946 (or 41944 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1002001108 is about 31654.4010842094. The cubic root of 1002001108 is about 1000.6665915570. Note that the first 3 decimals are identical.

Adding to 1002001108 its reverse (8011002001), we get a palindrome (9013003109).

The spelling of 1002001108 in words is "one billion, two million, one thousand, one hundred eight".