4900128 has 24 divisors (see below), whose sum is σ = 12863088. Its totient is φ = 1633344.

The previous prime is 4900123. The next prime is 4900153. The reversal of 4900128 is 8210094.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4900128² = 48022508832768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 4900098 and 4900107.

It is not an unprimeable number, because it can be changed into a prime (4900121) 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, 25426 + ... + 25617.

It is an arithmetic number, because the mean of its divisors is an integer number (535962).

Almost surely, 2^4900128 is an apocalyptic number.

4900128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4900128 is an abundant number, since it is smaller than the sum of its proper divisors (7962960).

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

4900128 is a wasteful number, since it uses less digits than its factorization.

4900128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51056 (or 51048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4900128 is about 2213.6232741819. The cubic root of 4900128 is about 169.8514041766.

The spelling of 4900128 in words is "four million, nine hundred thousand, one hundred twenty-eight".