1021202002 has 8 divisors (see below), whose sum is σ = 1621909116. Its totient is φ = 480565632.

The previous prime is 1021201999. The next prime is 1021202069. The reversal of 1021202002 is 2002021201.

It can be written as a sum of positive squares in 2 ways, for example, as 987782041 + 33419961 = 31429^2 + 5781^2 .

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 1021202002.

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 3 ways as a sum of consecutive naturals, for example, 15017643 + ... + 15017710.

Almost surely, 2^1021202002 is an apocalyptic number.

1021202002 is a deficient number, since it is larger than the sum of its proper divisors (600707114).

1021202002 is a wasteful number, since it uses less digits than its factorization.

1021202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035372.

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

The square root of 1021202002 is about 31956.2513759045. The cubic root of 1021202002 is about 1007.0179669243.

Adding to 1021202002 its reverse (2002021201), we get a palindrome (3023223203).

The spelling of 1021202002 in words is "one billion, twenty-one million, two hundred two thousand, two".