4128115 has 8 divisors (see below), whose sum is σ = 5113728. Its totient is φ = 3195840.

The previous prime is 4128107. The next prime is 4128119. The reversal of 4128115 is 5118214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4128115 - 2³ = 4128107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13162 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (639216).

Almost surely, 2^4128115 is an apocalyptic number.

4128115 is a deficient number, since it is larger than the sum of its proper divisors (985613).

4128115 is a wasteful number, since it uses less digits than its factorization.

4128115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26669.

The product of its digits is 320, while the sum is 22.

The square root of 4128115 is about 2031.7763164286. The cubic root of 4128115 is about 160.4170759158.

Subtracting 4128115 from its reverse (5118214), we obtain a palindrome (990099).

The spelling of 4128115 in words is "four million, one hundred twenty-eight thousand, one hundred fifteen".