4945128 has 16 divisors (see below), whose sum is σ = 12362880. Its totient is φ = 1648368.

The previous prime is 4945123. The next prime is 4945141. The reversal of 4945128 is 8215494.

4945128 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4945121) 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, 103000 + ... + 103047.

It is an arithmetic number, because the mean of its divisors is an integer number (772680).

Almost surely, 2^4945128 is an apocalyptic number.

It is an amenable number.

4945128 is an abundant number, since it is smaller than the sum of its proper divisors (7417752).

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

4945128 is a wasteful number, since it uses less digits than its factorization.

4945128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206056 (or 206052 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 4945128 is about 2223.7643760075. The cubic root of 4945128 is about 170.3697603329.

The spelling of 4945128 in words is "four million, nine hundred forty-five thousand, one hundred twenty-eight".