201179171 has 2 divisors, whose sum is σ = 201179172. Its totient is φ = 201179170.

The previous prime is 201179141. The next prime is 201179179. The reversal of 201179171 is 171971102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201179171 - 2¹⁰ = 201178147 is a prime.

It is a super-4 number, since 4×201179171⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (201179179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100589585 + 100589586.

It is an arithmetic number, because the mean of its divisors is an integer number (100589586).

Almost surely, 2^201179171 is an apocalyptic number.

201179171 is a deficient number, since it is larger than the sum of its proper divisors (1).

201179171 is an equidigital number, since it uses as much as digits as its factorization.

201179171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 29.

The square root of 201179171 is about 14183.7643451941. The cubic root of 201179171 is about 585.9506019390.

The spelling of 201179171 in words is "two hundred one million, one hundred seventy-nine thousand, one hundred seventy-one".