126500768279 has 4 divisors (see below), whose sum is σ = 127276846776. Its totient is φ = 125724689784.

The previous prime is 126500768257. The next prime is 126500768281. The reversal of 126500768279 is 972867005621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126500768279 - 2²⁴ = 126483991063 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 126500768279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126500768209) 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, 388039004 + ... + 388039329.

It is an arithmetic number, because the mean of its divisors is an integer number (31819211694).

Almost surely, 2^126500768279 is an apocalyptic number.

126500768279 is a deficient number, since it is larger than the sum of its proper divisors (776078497).

126500768279 is an equidigital number, since it uses as much as digits as its factorization.

126500768279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776078496.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 126500768279 in words is "one hundred twenty-six billion, five hundred million, seven hundred sixty-eight thousand, two hundred seventy-nine".