124434869605 has 8 divisors (see below), whose sum is σ = 149365360152. Its totient is φ = 99518884608.

The previous prime is 124434869591. The next prime is 124434869623. The reversal of 124434869605 is 506968434421.

It can be written as a sum of positive squares in 4 ways, for example, as 10105677729 + 114329191876 = 100527^2 + 338126^2 .

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 124434869605 - 2⁹ = 124434869093 is a prime.

It is a super-2 number, since 2×124434869605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607504 + ... + 3641833.

It is an arithmetic number, because the mean of its divisors is an integer number (18670670019).

Almost surely, 2^124434869605 is an apocalyptic number.

It is an amenable number.

124434869605 is a deficient number, since it is larger than the sum of its proper divisors (24930490547).

124434869605 is an equidigital number, since it uses as much as digits as its factorization.

124434869605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252775.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 124434869605 in words is "one hundred twenty-four billion, four hundred thirty-four million, eight hundred sixty-nine thousand, six hundred five".