127125077 has 2 divisors, whose sum is σ = 127125078. Its totient is φ = 127125076.

The previous prime is 127125073. The next prime is 127125101. The reversal of 127125077 is 770521721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 10182481 = 10814^2 + 3191^2 .

It is an emirp because it is prime and its reverse (770521721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127125077 - 2² = 127125073 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 (127125073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63562538 + 63562539.

It is an arithmetic number, because the mean of its divisors is an integer number (63562539).

Almost surely, 2^127125077 is an apocalyptic number.

It is an amenable number.

127125077 is a deficient number, since it is larger than the sum of its proper divisors (1).

127125077 is an equidigital number, since it uses as much as digits as its factorization.

127125077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 127125077 is about 11274.9756984217. The cubic root of 127125077 is about 502.8175292355.

Adding to 127125077 its reverse (770521721), we get a palindrome (897646798).

The spelling of 127125077 in words is "one hundred twenty-seven million, one hundred twenty-five thousand, seventy-seven".