4128956 has 24 divisors (see below), whose sum is σ = 7836864. Its totient is φ = 1892160.

The previous prime is 4128931. The next prime is 4128959. The reversal of 4128956 is 6598214.

4128956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13946 + ... + 14238.

It is an arithmetic number, because the mean of its divisors is an integer number (326536).

Almost surely, 2^4128956 is an apocalyptic number.

It is an amenable number.

4128956 is a deficient number, since it is larger than the sum of its proper divisors (3707908).

4128956 is a wasteful number, since it uses less digits than its factorization.

4128956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 4128956 is about 2031.9832676476. The cubic root of 4128956 is about 160.4279688294.

The spelling of 4128956 in words is "four million, one hundred twenty-eight thousand, nine hundred fifty-six".