101000161 has 2 divisors, whose sum is σ = 101000162. Its totient is φ = 101000160.

The previous prime is 101000117. The next prime is 101000197. The reversal of 101000161 is 161000101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98883136 + 2117025 = 9944^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000161 - 2¹¹ = 100998113 is a prime.

It is not a weakly prime, because it can be changed into another prime (101000761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500080 + 50500081.

It is an arithmetic number, because the mean of its divisors is an integer number (50500081).

Almost surely, 2^101000161 is an apocalyptic number.

It is an amenable number.

101000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000161 is an equidigital number, since it uses as much as digits as its factorization.

101000161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101000161 is about 10049.8836311671. The cubic root of 101000161 is about 465.7011982319.

Adding to 101000161 its reverse (161000101), we get a palindrome (262000262).

The spelling of 101000161 in words is "one hundred one million, one hundred sixty-one", and thus it is an aban number.