126065161 has 2 divisors, whose sum is σ = 126065162. Its totient is φ = 126065160.

The previous prime is 126065143. The next prime is 126065167. The reversal of 126065161 is 161560621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 46498761 = 8920^2 + 6819^2 .

It is an emirp because it is prime and its reverse (161560621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126065161 - 2⁵ = 126065129 is a prime.

It is not a weakly prime, because it can be changed into another prime (126065167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63032580 + 63032581.

It is an arithmetic number, because the mean of its divisors is an integer number (63032581).

Almost surely, 2^126065161 is an apocalyptic number.

It is an amenable number.

126065161 is a deficient number, since it is larger than the sum of its proper divisors (1).

126065161 is an equidigital number, since it uses as much as digits as its factorization.

126065161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 126065161 is about 11227.8742867918. The cubic root of 126065161 is about 501.4161996367.

The spelling of 126065161 in words is "one hundred twenty-six million, sixty-five thousand, one hundred sixty-one".