4012171 has 2 divisors, whose sum is σ = 4012172. Its totient is φ = 4012170.

The previous prime is 4012163. The next prime is 4012193. The reversal of 4012171 is 1712104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4012171 - 2³ = 4012163 is a prime.

It is a super-2 number, since 2×4012171² = 32195032266482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006085 + 2006086.

It is an arithmetic number, because the mean of its divisors is an integer number (2006086).

Almost surely, 2^4012171 is an apocalyptic number.

4012171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012171 is an equidigital number, since it uses as much as digits as its factorization.

4012171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 4012171 is about 2003.0404389328. The cubic root of 4012171 is about 158.9009443276.

Adding to 4012171 its reverse (1712104), we get a palindrome (5724275).

The spelling of 4012171 in words is "four million, twelve thousand, one hundred seventy-one".