906128 has 10 divisors (see below), whose sum is σ = 1755654. Its totient is φ = 453056.

The previous prime is 906121. The next prime is 906133. The reversal of 906128 is 821609.

906128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 44944 = 928^2 + 212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 906097 and 906106.

It is not an unprimeable number, because it can be changed into a prime (906121) by changing a digit.

906128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28301 + ... + 28332.

2⁹⁰⁶¹²⁸ is an apocalyptic number.

It is an amenable number.

906128 is a deficient number, since it is larger than the sum of its proper divisors (849526).

906128 is a wasteful number, since it uses less digits than its factorization.

906128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56641 (or 56635 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 906128 is about 951.9075585371. The cubic root of 906128 is about 96.7675733201.

The spelling of 906128 in words is "nine hundred six thousand, one hundred twenty-eight".