127161 has 12 divisors (see below), whose sum is σ = 187200. Its totient is φ = 83160.

The previous prime is 127157. The next prime is 127163. The reversal of 127161 is 161721.

It is not a de Polignac number, because 127161 - 2² = 127157 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (127163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (15600).

2¹²⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

127161 is a deficient number, since it is larger than the sum of its proper divisors (60039).

127161 is a wasteful number, since it uses less digits than its factorization.

127161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 273 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 127161 is about 356.5964105260. The cubic root of 127161 is about 50.2864886829.

Adding to 127161 its reverse (161721), we get a palindrome (288882).

The spelling of 127161 in words is "one hundred twenty-seven thousand, one hundred sixty-one".