1023002002 has 12 divisors (see below), whose sum is σ = 1686685518. Its totient is φ = 465000800.

The previous prime is 1023001997. The next prime is 1023002017. The reversal of 1023002002 is 2002003201.

It can be written as a sum of positive squares in only one way, i.e., 1009904841 + 13097161 = 31779^2 + 3619^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1023002002.

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 5 ways as a sum of consecutive naturals, for example, 2113399 + ... + 2113882.

Almost surely, 2^1023002002 is an apocalyptic number.

1023002002 is a deficient number, since it is larger than the sum of its proper divisors (663683516).

1023002002 is a wasteful number, since it uses less digits than its factorization.

1023002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227305 (or 4227294 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1023002002 is about 31984.4024799589. The cubic root of 1023002002 is about 1007.6092859057.

Adding to 1023002002 its reverse (2002003201), we get a palindrome (3025005203).

The spelling of 1023002002 in words is "one billion, twenty-three million, two thousand, two".