17120971 has 8 divisors (see below), whose sum is σ = 19676384. Its totient is φ = 14592960.

The previous prime is 17120953. The next prime is 17120977. The reversal of 17120971 is 17902171.

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 17120971 - 2¹³ = 17112779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17120977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (2459548).

Almost surely, 2^17120971 is an apocalyptic number.

17120971 is a deficient number, since it is larger than the sum of its proper divisors (2555413).

17120971 is a wasteful number, since it uses less digits than its factorization.

17120971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 17120971 is about 4137.7495090931. The cubic root of 17120971 is about 257.7366210317.

The spelling of 17120971 in words is "seventeen million, one hundred twenty thousand, nine hundred seventy-one".