124028344867 has 4 divisors (see below), whose sum is σ = 141746679856. Its totient is φ = 106310009880.

The previous prime is 124028344841. The next prime is 124028344919. The reversal of 124028344867 is 768443820421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768443820421 = 73 ⋅10526627677.

It is a cyclic number.

It is not a de Polignac number, because 124028344867 - 2¹¹ = 124028342819 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 124028344867.

It is not an unprimeable number, because it can be changed into a prime (124028348867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859167484 + ... + 8859167497.

It is an arithmetic number, because the mean of its divisors is an integer number (35436669964).

Almost surely, 2^124028344867 is an apocalyptic number.

124028344867 is a deficient number, since it is larger than the sum of its proper divisors (17718334989).

124028344867 is an equidigital number, since it uses as much as digits as its factorization.

124028344867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718334988.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 124028344867 in words is "one hundred twenty-four billion, twenty-eight million, three hundred forty-four thousand, eight hundred sixty-seven".