124129003959 has 20 divisors (see below), whose sum is σ = 185505443640. Its totient is φ = 82717785360.

The previous prime is 124129003919. The next prime is 124129004009. The reversal of 124129003959 is 959300921421.

It is not a de Polignac number, because 124129003959 - 2¹¹ = 124129001911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124129003919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128949 + ... + 514670.

It is an arithmetic number, because the mean of its divisors is an integer number (9275272182).

Almost surely, 2^124129003959 is an apocalyptic number.

124129003959 is a deficient number, since it is larger than the sum of its proper divisors (61376439681).

124129003959 is an equidigital number, since it uses as much as digits as its factorization.

124129003959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646012 (or 646003 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 124129003959 in words is "one hundred twenty-four billion, one hundred twenty-nine million, three thousand, nine hundred fifty-nine".