124010112109 has 8 divisors (see below), whose sum is σ = 141405195960. Its totient is φ = 107737291776.

The previous prime is 124010112103. The next prime is 124010112151. The reversal of 124010112109 is 901211010421.

It can be written as a sum of positive squares in 4 ways, for example, as 51194025 + 123958918084 = 7155^2 + 352078^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124010112109 - 2⁹ = 124010111597 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 124010112109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124010112103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280565644 + ... + 280566085.

It is an arithmetic number, because the mean of its divisors is an integer number (17675649495).

Almost surely, 2^124010112109 is an apocalyptic number.

It is an amenable number.

124010112109 is a deficient number, since it is larger than the sum of its proper divisors (17395083851).

124010112109 is a wasteful number, since it uses less digits than its factorization.

124010112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561131759.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 124010112109 in words is "one hundred twenty-four billion, ten million, one hundred twelve thousand, one hundred nine".