127848197 has 2 divisors, whose sum is σ = 127848198. Its totient is φ = 127848196.

The previous prime is 127848187. The next prime is 127848199. The reversal of 127848197 is 791848721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66601921 + 61246276 = 8161^2 + 7826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127848197 is a prime.

It is a super-2 number, since 2×127848197² = 32690322952301618, which contains 22 as substring.

Together with 127848199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127848199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63924098 + 63924099.

It is an arithmetic number, because the mean of its divisors is an integer number (63924099).

Almost surely, 2^127848197 is an apocalyptic number.

It is an amenable number.

127848197 is a deficient number, since it is larger than the sum of its proper divisors (1).

127848197 is an equidigital number, since it uses as much as digits as its factorization.

127848197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 47.

The square root of 127848197 is about 11306.9977005393. The cubic root of 127848197 is about 503.7691121935.

The spelling of 127848197 in words is "one hundred twenty-seven million, eight hundred forty-eight thousand, one hundred ninety-seven".