1300001002 has 8 divisors (see below), whose sum is σ = 1952290116. Its totient is φ = 649237632.

The previous prime is 1300000991. The next prime is 1300001039. The reversal of 1300001002 is 2001000031.

It can be written as a sum of positive squares in 2 ways, for example, as 956603041 + 343397961 = 30929^2 + 18531^2 .

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, 379303 + ... + 382714.

Almost surely, 2^1300001002 is an apocalyptic number.

1300001002 is a deficient number, since it is larger than the sum of its proper divisors (652289114).

1300001002 is an equidigital number, since it uses as much as digits as its factorization.

1300001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762872.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1300001002 is about 36055.5266498771. The cubic root of 1300001002 is about 1091.3931634651.

Adding to 1300001002 its reverse (2001000031), we get a palindrome (3301001033).

The spelling of 1300001002 in words is "one billion, three hundred million, one thousand, two".