126962499577 has 2 divisors, whose sum is σ = 126962499578. Its totient is φ = 126962499576.

The previous prime is 126962499541. The next prime is 126962499611. The reversal of 126962499577 is 775994269621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98156263401 + 28806236176 = 313299^2 + 169724^2 .

It is an emirp because it is prime and its reverse (775994269621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126962499577 - 2⁷ = 126962499449 is a prime.

It is a super-2 number, since 2×126962499577² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126962499077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63481249788 + 63481249789.

It is an arithmetic number, because the mean of its divisors is an integer number (63481249789).

Almost surely, 2^126962499577 is an apocalyptic number.

It is an amenable number.

126962499577 is a deficient number, since it is larger than the sum of its proper divisors (1).

126962499577 is an equidigital number, since it uses as much as digits as its factorization.

126962499577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102876480, while the sum is 67.

The spelling of 126962499577 in words is "one hundred twenty-six billion, nine hundred sixty-two million, four hundred ninety-nine thousand, five hundred seventy-seven".