4905128 has 8 divisors (see below), whose sum is σ = 9197130. Its totient is φ = 2452560.

The previous prime is 4905101. The next prime is 4905143. The reversal of 4905128 is 8215094.

It can be written as a sum of positive squares in only one way, i.e., 4571044 + 334084 = 2138^2 + 578^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4905128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306563 + ... + 306578.

Almost surely, 2^4905128 is an apocalyptic number.

It is an amenable number.

4905128 is a deficient number, since it is larger than the sum of its proper divisors (4292002).

4905128 is a wasteful number, since it uses less digits than its factorization.

4905128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613147 (or 613143 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 4905128 is about 2214.7523563595. The cubic root of 4905128 is about 169.9091556156.

The spelling of 4905128 in words is "four million, nine hundred five thousand, one hundred twenty-eight".