171057 has 8 divisors (see below), whose sum is σ = 240160.
Its totient is φ = 108000.
The previous prime is 171053. The next prime is 171077. The reversal of 171057 is 750171.
171057 is nontrivially palindromic in base 6.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 171057 - 22 = 171053 is a prime.
It is a zygodrome in base 6.
It is not an unprimeable number, because it can be changed into a prime (171053) 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, 1444 + ... + 1557.
It is an arithmetic number, because the mean of its divisors is an integer number (30020).
2171057 is an apocalyptic number.
It is an amenable number.
171057 is a deficient number, since it is larger than the sum of its proper divisors (69103).
171057 is a wasteful number, since it uses less digits than its factorization.
171057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3023.
The product of its (nonzero) digits is 245, while the sum is 21.
The square root of 171057 is about 413.5903770641.
The cubic root of 171057 is about 55.5111575652.
The spelling of 171057 in words is "one hundred seventy-one thousand, fifty-seven".