126004288679 has 4 divisors (see below), whose sum is σ = 126005251320. Its totient is φ = 126003326040.

The previous prime is 126004288649. The next prime is 126004288687. The reversal of 126004288679 is 976882400621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 976882400621 = 71 ⋅13758907051.

It is a cyclic number.

It is not a de Polignac number, because 126004288679 - 2¹² = 126004284583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126004288679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126004288649) 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, 246932 + ... + 559449.

It is an arithmetic number, because the mean of its divisors is an integer number (31501312830).

Almost surely, 2^126004288679 is an apocalyptic number.

126004288679 is a deficient number, since it is larger than the sum of its proper divisors (962641).

126004288679 is an equidigital number, since it uses as much as digits as its factorization.

126004288679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962640.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 126004288679 in words is "one hundred twenty-six billion, four million, two hundred eighty-eight thousand, six hundred seventy-nine".