1002002102 has 8 divisors (see below), whose sum is σ = 1505878536. Its totient is φ = 500042592.

The previous prime is 1002002093. The next prime is 1002002123. The reversal of 1002002102 is 2012002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1002002102.

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 3 ways as a sum of consecutive naturals, for example, 477923 + ... + 480014.

It is an arithmetic number, because the mean of its divisors is an integer number (188234817).

Almost surely, 2^1002002102 is an apocalyptic number.

1002002102 is a deficient number, since it is larger than the sum of its proper divisors (503876434).

1002002102 is an equidigital number, since it uses as much as digits as its factorization.

1002002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958462.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1002002102 is about 31654.4167850239. The cubic root of 1002002102 is about 1000.6669224489. Note that the first 3 decimals are identical.

Adding to 1002002102 its reverse (2012002001), we get a palindrome (3014004103).

The spelling of 1002002102 in words is "one billion, two million, two thousand, one hundred two".