171281043 has 12 divisors (see below), whose sum is σ = 247612248. Its totient is φ = 114092160.

The previous prime is 171281009. The next prime is 171281053. The reversal of 171281043 is 340182171.

It is not a de Polignac number, because 171281043 - 2⁹ = 171280531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171280998 and 171281016.

It is not an unprimeable number, because it can be changed into a prime (171281053) 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 11 ways as a sum of consecutive naturals, for example, 4483 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (20634354).

Almost surely, 2^171281043 is an apocalyptic number.

171281043 is a deficient number, since it is larger than the sum of its proper divisors (76331205).

171281043 is a wasteful number, since it uses less digits than its factorization.

171281043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874 (or 15871 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 171281043 is about 13087.4383666171. The cubic root of 171281043 is about 555.3538235668.

The spelling of 171281043 in words is "one hundred seventy-one million, two hundred eighty-one thousand, forty-three".