126055023506 has 8 divisors (see below), whose sum is σ = 189107525964. Its totient is φ = 63019181520.

The previous prime is 126055023491. The next prime is 126055023527. The reversal of 126055023506 is 605320550621.

It can be written as a sum of positive squares in 2 ways, for example, as 72446567281 + 53608456225 = 269159^2 + 231535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146185 + ... + 4176476.

Almost surely, 2^126055023506 is an apocalyptic number.

126055023506 is a deficient number, since it is larger than the sum of its proper divisors (63052502458).

126055023506 is an equidigital number, since it uses as much as digits as its factorization.

126055023506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330236.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 126055023506 in words is "one hundred twenty-six billion, fifty-five million, twenty-three thousand, five hundred six".