127189 has 2 divisors, whose sum is σ = 127190. Its totient is φ = 127188.

The previous prime is 127163. The next prime is 127207. The reversal of 127189 is 981721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 54289 = 270^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 127189 - 2⁵ = 127157 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63594 + 63595.

It is an arithmetic number, because the mean of its divisors is an integer number (63595).

2¹²⁷¹⁸⁹ is an apocalyptic number.

It is an amenable number.

127189 is a deficient number, since it is larger than the sum of its proper divisors (1).

127189 is an equidigital number, since it uses as much as digits as its factorization.

127189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 28.

The square root of 127189 is about 356.6356684349. The cubic root of 127189 is about 50.2901793279.

It can be divided in two parts, 12 and 7189, that multiplied together give a palindrome (86268).

The spelling of 127189 in words is "one hundred twenty-seven thousand, one hundred eighty-nine".