124099954681 has 4 divisors (see below), whose sum is σ = 124257642832. Its totient is φ = 123942266532.

The previous prime is 124099954663. The next prime is 124099954711. The reversal of 124099954681 is 186459990421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124099954681 - 2⁷ = 124099954553 is a prime.

It is a super-2 number, since 2×124099954681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124099924681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78842895 + ... + 78844468.

It is an arithmetic number, because the mean of its divisors is an integer number (31064410708).

Almost surely, 2^124099954681 is an apocalyptic number.

It is an amenable number.

124099954681 is a deficient number, since it is larger than the sum of its proper divisors (157688151).

124099954681 is an equidigital number, since it uses as much as digits as its factorization.

124099954681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157688150.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 124099954681 in words is "one hundred twenty-four billion, ninety-nine million, nine hundred fifty-four thousand, six hundred eighty-one".