126120716275 has 12 divisors (see below), whose sum is σ = 156670476912. Its totient is φ = 100715419040.

The previous prime is 126120716251. The next prime is 126120716291. The reversal of 126120716275 is 572617021621.

It is not a de Polignac number, because 126120716275 - 2²³ = 126112327667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 4514647 + ... + 4542496.

It is an arithmetic number, because the mean of its divisors is an integer number (13055873076).

Almost surely, 2^126120716275 is an apocalyptic number.

126120716275 is a deficient number, since it is larger than the sum of its proper divisors (30549760637).

126120716275 is an equidigital number, since it uses as much as digits as its factorization.

126120716275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057710 (or 9057705 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

Adding to 126120716275 its reverse (572617021621), we get a palindrome (698737737896).

The spelling of 126120716275 in words is "one hundred twenty-six billion, one hundred twenty million, seven hundred sixteen thousand, two hundred seventy-five".