1200002002 has 8 divisors (see below), whose sum is σ = 1858067712. Its totient is φ = 580646100.

The previous prime is 1200001987. The next prime is 1200002017. The reversal of 1200002002 is 2002000021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1200001987) and next prime (1200002017).

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

1200002002 is a modest number, since divided by 2002 gives 1200 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9677374 + ... + 9677497.

It is an arithmetic number, because the mean of its divisors is an integer number (232258464).

Almost surely, 2^1200002002 is an apocalyptic number.

1200002002 is a deficient number, since it is larger than the sum of its proper divisors (658065710).

1200002002 is a wasteful number, since it uses less digits than its factorization.

1200002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19354904.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1200002002 is about 34641.0450477465. The cubic root of 1200002002 is about 1062.6591601385.

Adding to 1200002002 its reverse (2002000021), we get a palindrome (3202002023).

The spelling of 1200002002 in words is "one billion, two hundred million, two thousand, two".