125123132056 has 16 divisors (see below), whose sum is σ = 252652478400. Its totient is φ = 57749137824.

The previous prime is 125123132039. The next prime is 125123132149. The reversal of 125123132056 is 650231321521.

125123132056 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 3 ways as a sum of consecutive naturals, for example, 601553416 + ... + 601553623.

It is an arithmetic number, because the mean of its divisors is an integer number (15790779900).

Almost surely, 2^125123132056 is an apocalyptic number.

It is an amenable number.

125123132056 is an abundant number, since it is smaller than the sum of its proper divisors (127529346344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125123132056 is a wasteful number, since it uses less digits than its factorization.

125123132056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203107058 (or 1203107054 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 125123132056 its reverse (650231321521), we get a palindrome (775354453577).

The spelling of 125123132056 in words is "one hundred twenty-five billion, one hundred twenty-three million, one hundred thirty-two thousand, fifty-six".