126672217135 has 8 divisors (see below), whose sum is σ = 152420849856. Its totient is φ = 101061647520.

The previous prime is 126672217127. The next prime is 126672217157. The reversal of 126672217135 is 531712276621.

It is a happy number.

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

It is not a de Polignac number, because 126672217135 - 2³ = 126672217127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126672217091 and 126672217100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34513756 + ... + 34517425.

It is an arithmetic number, because the mean of its divisors is an integer number (19052606232).

Almost surely, 2^126672217135 is an apocalyptic number.

126672217135 is a deficient number, since it is larger than the sum of its proper divisors (25748632721).

126672217135 is an equidigital number, since it uses as much as digits as its factorization.

126672217135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69031553.

The product of its digits is 211680, while the sum is 43.

The spelling of 126672217135 in words is "one hundred twenty-six billion, six hundred seventy-two million, two hundred seventeen thousand, one hundred thirty-five".