126027830017 has 4 divisors (see below), whose sum is σ = 126028885680. Its totient is φ = 126026774356.

The previous prime is 126027830011. The next prime is 126027830021. The reversal of 126027830017 is 710038720621.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 710038720621 = 262253 ⋅2707457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126027830017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126027830011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322003 + ... + 596440.

It is an arithmetic number, because the mean of its divisors is an integer number (31507221420).

Almost surely, 2^126027830017 is an apocalyptic number.

It is an amenable number.

126027830017 is a deficient number, since it is larger than the sum of its proper divisors (1055663).

126027830017 is an equidigital number, since it uses as much as digits as its factorization.

126027830017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055662.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 126027830017 in words is "one hundred twenty-six billion, twenty-seven million, eight hundred thirty thousand, seventeen".