171134027 has 2 divisors, whose sum is σ = 171134028. Its totient is φ = 171134026.

The previous prime is 171134009. The next prime is 171134057. The reversal of 171134027 is 720431171.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171134027 - 2¹⁴ = 171117643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171133987 and 171134005.

It is not a weakly prime, because it can be changed into another prime (171134057) 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 as a sum of consecutive naturals, namely, 85567013 + 85567014.

It is an arithmetic number, because the mean of its divisors is an integer number (85567014).

Almost surely, 2^171134027 is an apocalyptic number.

171134027 is a deficient number, since it is larger than the sum of its proper divisors (1).

171134027 is an equidigital number, since it uses as much as digits as its factorization.

171134027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 171134027 is about 13081.8204772883. The cubic root of 171134027 is about 555.1948854318.

Adding to 171134027 its reverse (720431171), we get a palindrome (891565198).

The spelling of 171134027 in words is "one hundred seventy-one million, one hundred thirty-four thousand, twenty-seven".