127260977 has 2 divisors, whose sum is σ = 127260978. Its totient is φ = 127260976.

The previous prime is 127260949. The next prime is 127260989. The reversal of 127260977 is 779062721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127260961 + 16 = 11281^2 + 4^2 .

It is an emirp because it is prime and its reverse (779062721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127260977 - 2¹⁰ = 127259953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127260907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63630488 + 63630489.

It is an arithmetic number, because the mean of its divisors is an integer number (63630489).

Almost surely, 2^127260977 is an apocalyptic number.

It is an amenable number.

127260977 is a deficient number, since it is larger than the sum of its proper divisors (1).

127260977 is an equidigital number, since it uses as much as digits as its factorization.

127260977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 127260977 is about 11281.0007091570. Note that the first 3 decimals coincide. The cubic root of 127260977 is about 502.9966404133.

The spelling of 127260977 in words is "one hundred twenty-seven million, two hundred sixty thousand, nine hundred seventy-seven".