10128856 has 8 divisors (see below), whose sum is σ = 18991620. Its totient is φ = 5064424.

The previous prime is 10128841. The next prime is 10128869. The reversal of 10128856 is 65882101.

10128856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633046 + ... + 633061.

Almost surely, 2^10128856 is an apocalyptic number.

It is an amenable number.

10128856 is a deficient number, since it is larger than the sum of its proper divisors (8862764).

10128856 is a wasteful number, since it uses less digits than its factorization.

10128856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266113 (or 1266109 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 10128856 is about 3182.5863696057. The cubic root of 10128856 is about 216.3648953412.

The spelling of 10128856 in words is "ten million, one hundred twenty-eight thousand, eight hundred fifty-six".