127338161 has 2 divisors, whose sum is σ = 127338162. Its totient is φ = 127338160.

The previous prime is 127338137. The next prime is 127338193. The reversal of 127338161 is 161833721.

It is an a-pointer prime, because the next prime (127338193) can be obtained adding 127338161 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 47128225 = 8956^2 + 6865^2 .

It is a cyclic number.

It is not a de Polignac number, because 127338161 - 2¹⁰ = 127337137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127338121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669080 + 63669081.

It is an arithmetic number, because the mean of its divisors is an integer number (63669081).

Almost surely, 2^127338161 is an apocalyptic number.

It is an amenable number.

127338161 is a deficient number, since it is larger than the sum of its proper divisors (1).

127338161 is an equidigital number, since it uses as much as digits as its factorization.

127338161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 127338161 is about 11284.4211637106. The cubic root of 127338161 is about 503.0983093026.

The spelling of 127338161 in words is "one hundred twenty-seven million, three hundred thirty-eight thousand, one hundred sixty-one".