127125638873 has 2 divisors, whose sum is σ = 127125638874. Its totient is φ = 127125638872.

The previous prime is 127125638867. The next prime is 127125638911. The reversal of 127125638873 is 378836521721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75299750464 + 51825888409 = 274408^2 + 227653^2 .

It is a cyclic number.

It is not a de Polignac number, because 127125638873 - 2¹⁴ = 127125622489 is a prime.

It is not a weakly prime, because it can be changed into another prime (127125638833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63562819436 + 63562819437.

It is an arithmetic number, because the mean of its divisors is an integer number (63562819437).

Almost surely, 2^127125638873 is an apocalyptic number.

It is an amenable number.

127125638873 is a deficient number, since it is larger than the sum of its proper divisors (1).

127125638873 is an equidigital number, since it uses as much as digits as its factorization.

127125638873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The spelling of 127125638873 in words is "one hundred twenty-seven billion, one hundred twenty-five million, six hundred thirty-eight thousand, eight hundred seventy-three".