127157 has 2 divisors, whose sum is σ = 127158. Its totient is φ = 127156.

The previous prime is 127139. The next prime is 127163. The reversal of 127157 is 751721.

It is a happy number.

127157 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98596 + 28561 = 314^2 + 169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63578 + 63579.

It is an arithmetic number, because the mean of its divisors is an integer number (63579).

2¹²⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

127157 is a deficient number, since it is larger than the sum of its proper divisors (1).

127157 is an equidigital number, since it uses as much as digits as its factorization.

127157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 490, while the sum is 23.

The square root of 127157 is about 356.5908019004. The cubic root of 127157 is about 50.2859614036.

Adding to 127157 its reverse (751721), we get a palindrome (878878).

The spelling of 127157 in words is "one hundred twenty-seven thousand, one hundred fifty-seven".