1002120002 has 32 divisors (see below), whose sum is σ = 1706443200. Its totient is φ = 437548608.

The previous prime is 1002119999. The next prime is 1002120019. The reversal of 1002120002 is 2000212001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585524 + ... + 587232.

It is an arithmetic number, because the mean of its divisors is an integer number (53326350).

Almost surely, 2^1002120002 is an apocalyptic number.

1002120002 is a deficient number, since it is larger than the sum of its proper divisors (704323198).

1002120002 is a wasteful number, since it uses less digits than its factorization.

1002120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930.

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

The square root of 1002120002 is about 31656.2790296017. The cubic root of 1002120002 is about 1000.7061685419.

Adding to 1002120002 its reverse (2000212001), we get a palindrome (3002332003).

The spelling of 1002120002 in words is "one billion, two million, one hundred twenty thousand, two".