1021203002 has 8 divisors (see below), whose sum is σ = 1547596596. Its totient is φ = 505337472.

The previous prime is 1021202989. The next prime is 1021203047. The reversal of 1021203002 is 2003021201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 911979601 + 109223401 = 30199^2 + 10451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2631773 + ... + 2632160.

Almost surely, 2^1021203002 is an apocalyptic number.

1021203002 is a deficient number, since it is larger than the sum of its proper divisors (526393594).

1021203002 is an equidigital number, since it uses as much as digits as its factorization.

1021203002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264032.

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

The square root of 1021203002 is about 31956.2670222916. The cubic root of 1021203002 is about 1007.0182956277.

Adding to 1021203002 its reverse (2003021201), we get a palindrome (3024224203).

The spelling of 1021203002 in words is "one billion, twenty-one million, two hundred three thousand, two".