123805125746 has 8 divisors (see below), whose sum is σ = 185712708204. Its totient is φ = 61900889680.

The previous prime is 123805125721. The next prime is 123805125751. The reversal of 123805125746 is 647521508321.

123805125746 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 82774167025 + 41030958721 = 287705^2 + 202561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123805125697 and 123805125706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741965 + ... + 893376.

Almost surely, 2^123805125746 is an apocalyptic number.

123805125746 is a deficient number, since it is larger than the sum of its proper divisors (61907582458).

123805125746 is a wasteful number, since it uses less digits than its factorization.

123805125746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673196.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 123805125746 in words is "one hundred twenty-three billion, eight hundred five million, one hundred twenty-five thousand, seven hundred forty-six".