124144105909 has 16 divisors (see below), whose sum is σ = 131774345280. Its totient is φ = 116625363840.

The previous prime is 124144105903. The next prime is 124144105937. The reversal of 124144105909 is 909501441421.

It is a cyclic number.

It is not a de Polignac number, because 124144105909 - 2¹¹ = 124144103861 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 (124144105903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424082 + ... + 2474764.

It is an arithmetic number, because the mean of its divisors is an integer number (8235896580).

Almost surely, 2^124144105909 is an apocalyptic number.

124144105909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

124144105909 is a deficient number, since it is larger than the sum of its proper divisors (7630239371).

124144105909 is a wasteful number, since it uses less digits than its factorization.

124144105909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51780.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 124144105909 in words is "one hundred twenty-four billion, one hundred forty-four million, one hundred five thousand, nine hundred nine".