4123128 has 32 divisors (see below), whose sum is σ = 10386000. Its totient is φ = 1363968.

The previous prime is 4123127. The next prime is 4123153. The reversal of 4123128 is 8213214.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000 + ... + 4152.

Almost surely, 2^4123128 is an apocalyptic number.

It is an amenable number.

4123128 is an abundant number, since it is smaller than the sum of its proper divisors (6262872).

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

4123128 is a wasteful number, since it uses less digits than its factorization.

4123128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1307 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 4123128 is about 2030.5486943189. The cubic root of 4123128 is about 160.3524522056.

The spelling of 4123128 in words is "four million, one hundred twenty-three thousand, one hundred twenty-eight".