1023102002 has 12 divisors (see below), whose sum is σ = 1661784570. Its totient is φ = 472200768.

The previous prime is 1023101999. The next prime is 1023102019. The reversal of 1023102002 is 2002013201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 234671761 + 788430241 = 15319^2 + 28079^2 .

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, 1513127 + ... + 1513802.

Almost surely, 2^1023102002 is an apocalyptic number.

1023102002 is a deficient number, since it is larger than the sum of its proper divisors (638682568).

1023102002 is a wasteful number, since it uses less digits than its factorization.

1023102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026957 (or 3026944 counting only the distinct ones).

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

The square root of 1023102002 is about 31985.9657037270. The cubic root of 1023102002 is about 1007.6421166155.

Adding to 1023102002 its reverse (2002013201), we get a palindrome (3025115203).

The spelling of 1023102002 in words is "one billion, twenty-three million, one hundred two thousand, two".