127671461 has 2 divisors, whose sum is σ = 127671462. Its totient is φ = 127671460.

The previous prime is 127671451. The next prime is 127671463. The reversal of 127671461 is 164176721.

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., 77176225 + 50495236 = 8785^2 + 7106^2 .

It is an emirp because it is prime and its reverse (164176721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127671461 is a prime.

Together with 127671463, 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 (127671463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63835730 + 63835731.

It is an arithmetic number, because the mean of its divisors is an integer number (63835731).

Almost surely, 2^127671461 is an apocalyptic number.

It is an amenable number.

127671461 is a deficient number, since it is larger than the sum of its proper divisors (1).

127671461 is an equidigital number, since it uses as much as digits as its factorization.

127671461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 127671461 is about 11299.1796604886. The cubic root of 127671461 is about 503.5368701073.

The spelling of 127671461 in words is "one hundred twenty-seven million, six hundred seventy-one thousand, four hundred sixty-one".