17008121 has 8 divisors (see below), whose sum is σ = 18575424. Its totient is φ = 15477840.

The previous prime is 17008073. The next prime is 17008127. The reversal of 17008121 is 12180071.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17008121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 17008093 and 17008102.

It is not an unprimeable number, because it can be changed into a prime (17008127) 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, 8291 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (2321928).

Almost surely, 2^17008121 is an apocalyptic number.

It is an amenable number.

17008121 is a deficient number, since it is larger than the sum of its proper divisors (1567303).

17008121 is a wasteful number, since it uses less digits than its factorization.

17008121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 17008121 is about 4124.0903239381. The cubic root of 17008121 is about 257.1690964259.

Adding to 17008121 its reverse (12180071), we get a palindrome (29188192).

The spelling of 17008121 in words is "seventeen million, eight thousand, one hundred twenty-one".