124643899613 has 8 divisors (see below), whose sum is σ = 124920613632. Its totient is φ = 124367271696.

The previous prime is 124643899607. The next prime is 124643899631. The reversal of 124643899613 is 316998346421.

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 124643899613 - 2¹² = 124643895517 is a prime.

It is a super-2 number, since 2×124643899613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124643899643) 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, 3511631 + ... + 3546947.

It is an arithmetic number, because the mean of its divisors is an integer number (15615076704).

Almost surely, 2^124643899613 is an apocalyptic number.

It is an amenable number.

124643899613 is a deficient number, since it is larger than the sum of its proper divisors (276714019).

124643899613 is an equidigital number, since it uses as much as digits as its factorization.

124643899613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43051.

The product of its digits is 6718464, while the sum is 56.

The spelling of 124643899613 in words is "one hundred twenty-four billion, six hundred forty-three million, eight hundred ninety-nine thousand, six hundred thirteen".