4142161 has 2 divisors, whose sum is σ = 4142162. Its totient is φ = 4142160.

The previous prime is 4142129. The next prime is 4142167. The reversal of 4142161 is 1612414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1252161 = 1700^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142161 - 2⁵ = 4142129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4142167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071080 + 2071081.

It is an arithmetic number, because the mean of its divisors is an integer number (2071081).

Almost surely, 2^4142161 is an apocalyptic number.

It is an amenable number.

4142161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142161 is an equidigital number, since it uses as much as digits as its factorization.

4142161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 4142161 is about 2035.2299624367. The cubic root of 4142161 is about 160.5988108018.

Adding to 4142161 its reverse (1612414), we get a palindrome (5754575).

The spelling of 4142161 in words is "four million, one hundred forty-two thousand, one hundred sixty-one".