126407161 has 2 divisors, whose sum is σ = 126407162. Its totient is φ = 126407160.

The previous prime is 126407159. The next prime is 126407167. The reversal of 126407161 is 161704621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125014761 + 1392400 = 11181^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 126407161 - 2¹ = 126407159 is a prime.

Together with 126407159, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126407167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63203580 + 63203581.

It is an arithmetic number, because the mean of its divisors is an integer number (63203581).

Almost surely, 2^126407161 is an apocalyptic number.

It is an amenable number.

126407161 is a deficient number, since it is larger than the sum of its proper divisors (1).

126407161 is an equidigital number, since it uses as much as digits as its factorization.

126407161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 126407161 is about 11243.0939247166. The cubic root of 126407161 is about 501.8692180067.

The spelling of 126407161 in words is "one hundred twenty-six million, four hundred seven thousand, one hundred sixty-one".