126055078117 has 2 divisors, whose sum is σ = 126055078118. Its totient is φ = 126055078116.

The previous prime is 126055078007. The next prime is 126055078241. The reversal of 126055078117 is 711870550621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70569391201 + 55485686916 = 265649^2 + 235554^2 .

It is an emirp because it is prime and its reverse (711870550621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126055078117 - 2¹⁹ = 126054553829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126055070117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63027539058 + 63027539059.

It is an arithmetic number, because the mean of its divisors is an integer number (63027539059).

Almost surely, 2^126055078117 is an apocalyptic number.

It is an amenable number.

126055078117 is a deficient number, since it is larger than the sum of its proper divisors (1).

126055078117 is an equidigital number, since it uses as much as digits as its factorization.

126055078117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 126055078117 in words is "one hundred twenty-six billion, fifty-five million, seventy-eight thousand, one hundred seventeen".