126522041579 has 4 divisors (see below), whose sum is σ = 126527420184. Its totient is φ = 126516662976.

The previous prime is 126522041539. The next prime is 126522041587. The reversal of 126522041579 is 975140225621.

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 126522041579 - 2¹² = 126522037483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126522041509) 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, 2653862 + ... + 2701115.

It is an arithmetic number, because the mean of its divisors is an integer number (31631855046).

Almost surely, 2^126522041579 is an apocalyptic number.

126522041579 is a deficient number, since it is larger than the sum of its proper divisors (5378605).

126522041579 is an equidigital number, since it uses as much as digits as its factorization.

126522041579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378604.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 126522041579 in words is "one hundred twenty-six billion, five hundred twenty-two million, forty-one thousand, five hundred seventy-nine".