1002021002 has 8 divisors (see below), whose sum is σ = 1537985856. Its totient is φ = 489359052.

The previous prime is 1002021001. The next prime is 1002021037. The reversal of 1002021002 is 2001202001.

1002021002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1002021001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825618 + ... + 5825789.

It is an arithmetic number, because the mean of its divisors is an integer number (192248232).

Almost surely, 2^1002021002 is an apocalyptic number.

1002021002 is a deficient number, since it is larger than the sum of its proper divisors (535964854).

1002021002 is a wasteful number, since it uses less digits than its factorization.

1002021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651452.

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

The square root of 1002021002 is about 31654.7153201541. The cubic root of 1002021002 is about 1000.6732140145.

Adding to 1002021002 its reverse (2001202001), we get a palindrome (3003223003).

The spelling of 1002021002 in words is "one billion, two million, twenty-one thousand, two".