125825856 has 56 divisors (see below), whose sum is σ = 358530144. Its totient is φ = 38714880.

The previous prime is 125825851. The next prime is 125825879. The reversal of 125825856 is 658528521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125825851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22710 + ... + 27701.

It is an arithmetic number, because the mean of its divisors is an integer number (6402324).

Almost surely, 2^125825856 is an apocalyptic number.

125825856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125825856 is an abundant number, since it is smaller than the sum of its proper divisors (232704288).

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

125825856 is a wasteful number, since it uses less digits than its factorization.

125825856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50439 (or 50429 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 125825856 is about 11217.2124879580. The cubic root of 125825856 is about 501.0987251708.

The spelling of 125825856 in words is "one hundred twenty-five million, eight hundred twenty-five thousand, eight hundred fifty-six".