125870856 has 32 divisors (see below), whose sum is σ = 333188640. Its totient is φ = 39488768.

The previous prime is 125870837. The next prime is 125870867. The reversal of 125870856 is 658078521.

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, 153846 + ... + 154661.

It is an arithmetic number, because the mean of its divisors is an integer number (10412145).

Almost surely, 2^125870856 is an apocalyptic number.

It is an amenable number.

125870856 is an abundant number, since it is smaller than the sum of its proper divisors (207317784).

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

125870856 is a wasteful number, since it uses less digits than its factorization.

125870856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308533 (or 308529 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 125870856 is about 11219.2181545774. The cubic root of 125870856 is about 501.1584552234.

The spelling of 125870856 in words is "one hundred twenty-five million, eight hundred seventy thousand, eight hundred fifty-six".