10128556 has 24 divisors (see below), whose sum is σ = 18718560. Its totient is φ = 4785792.

The previous prime is 10128551. The next prime is 10128557. The reversal of 10128556 is 65582101.

It is not an unprimeable number, because it can be changed into a prime (10128551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7570 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (779940).

Almost surely, 2^10128556 is an apocalyptic number.

It is an amenable number.

10128556 is a deficient number, since it is larger than the sum of its proper divisors (8590004).

10128556 is a wasteful number, since it uses less digits than its factorization.

10128556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 10128556 is about 3182.5392377785. The cubic root of 10128556 is about 216.3627591964.

The spelling of 10128556 in words is "ten million, one hundred twenty-eight thousand, five hundred fifty-six".