126081036079 has 4 divisors (see below), whose sum is σ = 126139382080. Its totient is φ = 126022690080.

The previous prime is 126081036013. The next prime is 126081036083. The reversal of 126081036079 is 970630180621.

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 126081036079 - 2¹¹ = 126081034031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126081030079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29169759 + ... + 29174080.

It is an arithmetic number, because the mean of its divisors is an integer number (31534845520).

Almost surely, 2^126081036079 is an apocalyptic number.

126081036079 is a deficient number, since it is larger than the sum of its proper divisors (58346001).

126081036079 is an equidigital number, since it uses as much as digits as its factorization.

126081036079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58346000.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 126081036079 in words is "one hundred twenty-six billion, eighty-one million, thirty-six thousand, seventy-nine".