125688194126 has 12 divisors (see below), whose sum is σ = 207229708896. Its totient is φ = 57130997220.

The previous prime is 125688194117. The next prime is 125688194131. The reversal of 125688194126 is 621491886521.

125688194126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259686110 + ... + 259686593.

It is an arithmetic number, because the mean of its divisors is an integer number (17269142408).

Almost surely, 2^125688194126 is an apocalyptic number.

125688194126 is a deficient number, since it is larger than the sum of its proper divisors (81541514770).

125688194126 is a wasteful number, since it uses less digits than its factorization.

125688194126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519372727 (or 519372716 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The spelling of 125688194126 in words is "one hundred twenty-five billion, six hundred eighty-eight million, one hundred ninety-four thousand, one hundred twenty-six".