125855628 has 12 divisors (see below), whose sum is σ = 293663160. Its totient is φ = 41951872.

The previous prime is 125855623. The next prime is 125855663. The reversal of 125855628 is 826558521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 125855628.

It is not an unprimeable number, because it can be changed into a prime (125855623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243973 + ... + 5243996.

It is an arithmetic number, because the mean of its divisors is an integer number (24471930).

Almost surely, 2^125855628 is an apocalyptic number.

It is an amenable number.

125855628 is an abundant number, since it is smaller than the sum of its proper divisors (167807532).

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

125855628 is a wasteful number, since it uses less digits than its factorization.

125855628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10487976 (or 10487974 counting only the distinct ones).

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

The square root of 125855628 is about 11218.5394771334. The cubic root of 125855628 is about 501.1382441675.

The spelling of 125855628 in words is "one hundred twenty-five million, eight hundred fifty-five thousand, six hundred twenty-eight".