4109128 has 8 divisors (see below), whose sum is σ = 7704630. Its totient is φ = 2054560.

The previous prime is 4109117. The next prime is 4109129. The reversal of 4109128 is 8219014.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4008004 + 101124 = 2002^2 + 318^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4109129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256813 + ... + 256828.

Almost surely, 2^4109128 is an apocalyptic number.

It is an amenable number.

4109128 is a deficient number, since it is larger than the sum of its proper divisors (3595502).

4109128 is a wasteful number, since it uses less digits than its factorization.

4109128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513647 (or 513643 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 4109128 is about 2027.0984189230. The cubic root of 4109128 is about 160.1707552018.

The spelling of 4109128 in words is "four million, one hundred nine thousand, one hundred twenty-eight".