1001217065 has 8 divisors (see below), whose sum is σ = 1264695360. Its totient is φ = 758817072.

The previous prime is 1001217059. The next prime is 1001217097. The reversal of 1001217065 is 5607121001.

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 1001217065 - 2²⁴ = 984439849 is a prime.

It is a super-2 number, since 2×1001217065² = 2004871222494428450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001217065.

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 7 ways as a sum of consecutive naturals, for example, 5269469 + ... + 5269658.

It is an arithmetic number, because the mean of its divisors is an integer number (158086920).

Almost surely, 2^1001217065 is an apocalyptic number.

It is an amenable number.

1001217065 is a deficient number, since it is larger than the sum of its proper divisors (263478295).

1001217065 is a wasteful number, since it uses less digits than its factorization.

1001217065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539151.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1001217065 is about 31642.0142374028. The cubic root of 1001217065 is about 1000.4055238615.

Adding to 1001217065 its reverse (5607121001), we get a palindrome (6608338066).

The spelling of 1001217065 in words is "one billion, one million, two hundred seventeen thousand, sixty-five".