17000121601 has 8 divisors (see below), whose sum is σ = 18001751040. Its totient is φ = 15998672448.

The previous prime is 17000121599. The next prime is 17000121613. The reversal of 17000121601 is 10612100071.

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 17000121601 - 2¹ = 17000121599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17000121641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181720 + ... + 258886.

It is an arithmetic number, because the mean of its divisors is an integer number (2250218880).

Almost surely, 2^17000121601 is an apocalyptic number.

It is an amenable number.

17000121601 is a deficient number, since it is larger than the sum of its proper divisors (1001629439).

17000121601 is a wasteful number, since it uses less digits than its factorization.

17000121601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90143.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 17000121601 its reverse (10612100071), we get a palindrome (27612221672).

It can be divided in two parts, 17000 and 121601, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 17000121601 in words is "seventeen billion, one hundred twenty-one thousand, six hundred one".