126056664073 has 4 divisors (see below), whose sum is σ = 132691225360. Its totient is φ = 119422102788.

The previous prime is 126056664059. The next prime is 126056664091. The reversal of 126056664073 is 370466650621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370466650621 = 317 ⋅1168664513.

It is a cyclic number.

It is not a de Polignac number, because 126056664073 - 2³³ = 117466729481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126056664053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317280615 + ... + 3317280652.

It is an arithmetic number, because the mean of its divisors is an integer number (33172806340).

Almost surely, 2^126056664073 is an apocalyptic number.

It is an amenable number.

126056664073 is a deficient number, since it is larger than the sum of its proper divisors (6634561287).

126056664073 is an equidigital number, since it uses as much as digits as its factorization.

126056664073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634561286.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 126056664073 in words is "one hundred twenty-six billion, fifty-six million, six hundred sixty-four thousand, seventy-three".