1002001118 has 16 divisors (see below), whose sum is σ = 1571352480. Its totient is φ = 479206288.

The previous prime is 1002001087. The next prime is 1002001123. The reversal of 1002001118 is 8111002001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3746 + ... + 44922.

It is an arithmetic number, because the mean of its divisors is an integer number (98209530).

Almost surely, 2^1002001118 is an apocalyptic number.

1002001118 is a deficient number, since it is larger than the sum of its proper divisors (569351362).

1002001118 is an frugal number, since it uses more digits than its factorization.

1002001118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41248 (or 41202 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1002001118 is about 31654.4012421654. The cubic root of 1002001118 is about 1000.6665948859. Note that the first 3 decimals are identical.

Adding to 1002001118 its reverse (8111002001), we get a palindrome (9113003119).

The spelling of 1002001118 in words is "one billion, two million, one thousand, one hundred eighteen".