126127161 has 6 divisors (see below), whose sum is σ = 182183690. Its totient is φ = 84084768.

The previous prime is 126127153. The next prime is 126127163. The reversal of 126127161 is 161721621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 51840000 = 8619^2 + 7200^2 .

It is not a de Polignac number, because 126127161 - 2³ = 126127153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126127163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7007056 + ... + 7007073.

Almost surely, 2^126127161 is an apocalyptic number.

It is an amenable number.

126127161 is a deficient number, since it is larger than the sum of its proper divisors (56056529).

126127161 is a wasteful number, since it uses less digits than its factorization.

126127161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014135 (or 14014132 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 126127161 is about 11230.6349330748. The cubic root of 126127161 is about 501.4983865235.

Adding to 126127161 its reverse (161721621), we get a palindrome (287848782).

The spelling of 126127161 in words is "one hundred twenty-six million, one hundred twenty-seven thousand, one hundred sixty-one".