1002122002 has 16 divisors (see below), whose sum is σ = 1718735040. Its totient is φ = 429277968.

The previous prime is 1002121963. The next prime is 1002122047. The reversal of 1002122002 is 2002212001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002122002.

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 7 ways as a sum of consecutive naturals, for example, 15993 + ... + 47539.

It is an arithmetic number, because the mean of its divisors is an integer number (107420940).

Almost surely, 2^1002122002 is an apocalyptic number.

1002122002 is a deficient number, since it is larger than the sum of its proper divisors (716613038).

1002122002 is a wasteful number, since it uses less digits than its factorization.

1002122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33825.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1002122002 is about 31656.3106188956. The cubic root of 1002122002 is about 1000.7068342676.

Adding to 1002122002 its reverse (2002212001), we get a palindrome (3004334003).

It can be divided in two parts, 10021 and 22002, that added together give a palindrome (32023).

The spelling of 1002122002 in words is "one billion, two million, one hundred twenty-two thousand, two".