1001302985 has 8 divisors (see below), whose sum is σ = 1201766280. Its totient is φ = 800907264.

The previous prime is 1001302979. The next prime is 1001303003. The reversal of 1001302985 is 5892031001.

It can be written as a sum of positive squares in 4 ways, for example, as 381342784 + 619960201 = 19528^2 + 24899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1001302985 - 2⁶ = 1001302921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25289 + ... + 51401.

It is an arithmetic number, because the mean of its divisors is an integer number (150220785).

Almost surely, 2^1001302985 is an apocalyptic number.

It is an amenable number.

1001302985 is a deficient number, since it is larger than the sum of its proper divisors (200463295).

1001302985 is an equidigital number, since it uses as much as digits as its factorization.

1001302985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1001302985 is about 31643.3718968128. The cubic root of 1001302985 is about 1000.4341398287.

Adding to 1001302985 its reverse (5892031001), we get a palindrome (6893333986).

The spelling of 1001302985 in words is "one billion, one million, three hundred two thousand, nine hundred eighty-five".