171240006 has 32 divisors (see below), whose sum is σ = 399398400. Its totient is φ = 48925128.

The previous prime is 171239987. The next prime is 171240023. The reversal of 171240006 is 600042171.

171240006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39546 + ... + 43661.

It is an arithmetic number, because the mean of its divisors is an integer number (12481200).

Almost surely, 2^171240006 is an apocalyptic number.

171240006 is an abundant number, since it is smaller than the sum of its proper divisors (228158394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171240006 is an equidigital number, since it uses as much as digits as its factorization.

171240006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83233 (or 83219 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 171240006 is about 13085.8704716194. The cubic root of 171240006 is about 555.3094678600.

Adding to 171240006 its reverse (600042171), we get a palindrome (771282177).

The spelling of 171240006 in words is "one hundred seventy-one million, two hundred forty thousand, six".