1021302002 has 12 divisors (see below), whose sum is σ = 1782067950. Its totient is φ = 437700816.

The previous prime is 1021301993. The next prime is 1021302017. The reversal of 1021302002 is 2002031201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 969014641 + 52287361 = 31129^2 + 7231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5210627 + ... + 5210822.

Almost surely, 2^1021302002 is an apocalyptic number.

1021302002 is a deficient number, since it is larger than the sum of its proper divisors (760765948).

1021302002 is a wasteful number, since it uses less digits than its factorization.

1021302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421465 (or 10421458 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1021302002 is about 31957.8159766903. The cubic root of 1021302002 is about 1007.0508361998.

Adding to 1021302002 its reverse (2002031201), we get a palindrome (3023333203).

The spelling of 1021302002 in words is "one billion, twenty-one million, three hundred two thousand, two".