124393118789 has 8 divisors (see below), whose sum is σ = 124729593240. Its totient is φ = 124057080576.

The previous prime is 124393118783. The next prime is 124393118827. The reversal of 124393118789 is 987811393421.

It can be written as a sum of positive squares in 4 ways, for example, as 5236982689 + 119156136100 = 72367^2 + 345190^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124393118789 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 (124393118783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466097 + ... + 682665.

It is an arithmetic number, because the mean of its divisors is an integer number (15591199155).

Almost surely, 2^124393118789 is an apocalyptic number.

It is an amenable number.

124393118789 is a deficient number, since it is larger than the sum of its proper divisors (336474451).

124393118789 is an equidigital number, since it uses as much as digits as its factorization.

124393118789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218119.

The product of its digits is 2612736, while the sum is 56.

The spelling of 124393118789 in words is "one hundred twenty-four billion, three hundred ninety-three million, one hundred eighteen thousand, seven hundred eighty-nine".