124213405126611 has 4 divisors (see below), whose sum is σ = 165617873502152. Its totient is φ = 82808936751072.

The previous prime is 124213405126561. The next prime is 124213405126619. The reversal of 124213405126611 is 116621504312421.

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

It is not a de Polignac number, because 124213405126611 - 2⁹ = 124213405126099 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 124213405126611.

It is not an unprimeable number, because it can be changed into a prime (124213405126619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20702234187766 + ... + 20702234187771.

It is an arithmetic number, because the mean of its divisors is an integer number (41404468375538).

Almost surely, 2^{124213405126611} is an apocalyptic number.

124213405126611 is a deficient number, since it is larger than the sum of its proper divisors (41404468375541).

124213405126611 is an equidigital number, since it uses as much as digits as its factorization.

124213405126611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41404468375540.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 124213405126611 in words is "one hundred twenty-four trillion, two hundred thirteen billion, four hundred five million, one hundred twenty-six thousand, six hundred eleven".