1022003002 has 4 divisors (see below), whose sum is σ = 1533004506. Its totient is φ = 511001500.

The previous prime is 1022002997. The next prime is 1022003029. The reversal of 1022003002 is 2003002201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 784504081 + 237498921 = 28009^2 + 15411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022003002.

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 as a sum of consecutive naturals, namely, 255500749 + ... + 255500752.

Almost surely, 2^1022003002 is an apocalyptic number.

1022003002 is a deficient number, since it is larger than the sum of its proper divisors (511001504).

1022003002 is an equidigital number, since it uses as much as digits as its factorization.

1022003002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511001503.

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

The square root of 1022003002 is about 31968.7816783812. The cubic root of 1022003002 is about 1007.2811896054.

Adding to 1022003002 its reverse (2003002201), we get a palindrome (3025005203).

The spelling of 1022003002 in words is "one billion, twenty-two million, three thousand, two".