124135719789 has 16 divisors (see below), whose sum is σ = 167160136832. Its totient is φ = 81934599168.

The previous prime is 124135719781. The next prime is 124135719793. The reversal of 124135719789 is 987917531421.

It is not a de Polignac number, because 124135719789 - 2³ = 124135719781 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 (124135719781) 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 15 ways as a sum of consecutive naturals, for example, 1350009 + ... + 1439025.

It is an arithmetic number, because the mean of its divisors is an integer number (10447508552).

Almost surely, 2^124135719789 is an apocalyptic number.

It is an amenable number.

124135719789 is a deficient number, since it is larger than the sum of its proper divisors (43024417043).

124135719789 is a wasteful number, since it uses less digits than its factorization.

124135719789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93636.

The product of its digits is 3810240, while the sum is 57.

The spelling of 124135719789 in words is "one hundred twenty-four billion, one hundred thirty-five million, seven hundred nineteen thousand, seven hundred eighty-nine".