127172 has 6 divisors (see below), whose sum is σ = 222558. Its totient is φ = 63584.

The previous prime is 127163. The next prime is 127189. The reversal of 127172 is 271721.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 8836 = 344^2 + 94^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15893 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (37093).

2¹²⁷¹⁷² is an apocalyptic number.

It is an amenable number.

127172 is a deficient number, since it is larger than the sum of its proper divisors (95386).

127172 is a wasteful number, since it uses less digits than its factorization.

127172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31797 (or 31795 counting only the distinct ones).

The product of its digits is 196, while the sum is 20.

The square root of 127172 is about 356.6118337913. The cubic root of 127172 is about 50.2879386437.

Adding to 127172 its reverse (271721), we get a palindrome (398893).

The spelling of 127172 in words is "one hundred twenty-seven thousand, one hundred seventy-two", and thus it is an iban number.