171206001 has 8 divisors (see below), whose sum is σ = 253638560. Its totient is φ = 114137316.

The previous prime is 171205999. The next prime is 171206003. The reversal of 171206001 is 100602171.

It is an interprime number because it is at equal distance from previous prime (171205999) and next prime (171206003).

It is not a de Polignac number, because 171206001 - 2¹ = 171205999 is a prime.

It is a super-2 number, since 2×171206001² = 58622989556824002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171206003) 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, 3170455 + ... + 3170508.

It is an arithmetic number, because the mean of its divisors is an integer number (31704820).

Almost surely, 2^171206001 is an apocalyptic number.

It is an amenable number.

171206001 is a deficient number, since it is larger than the sum of its proper divisors (82432559).

171206001 is an equidigital number, since it uses as much as digits as its factorization.

171206001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340972 (or 6340966 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 171206001 is about 13084.5711049312. The cubic root of 171206001 is about 555.2727074693.

Adding to 171206001 its reverse (100602171), we get a palindrome (271808172).

The spelling of 171206001 in words is "one hundred seventy-one million, two hundred six thousand, one".