4531128 has 48 divisors (see below), whose sum is σ = 13180680. Its totient is φ = 1294272.

The previous prime is 4531127. The next prime is 4531157. The reversal of 4531128 is 8211354.

It is a super-2 number, since 2×4531128² = 41062241904768, which contains 22 as substring.

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

It is a d-powerful number, because it can be written as 4 + 5⁶ + 3¹⁰ + 1 + 1 + 2²² + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 4531098 and 4531107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751 + ... + 3102.

Almost surely, 2^4531128 is an apocalyptic number.

It is an amenable number.

4531128 is an abundant number, since it is smaller than the sum of its proper divisors (8649552).

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

4531128 is a wasteful number, since it uses less digits than its factorization.

4531128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3865 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 4531128 is about 2128.6446392012. The cubic root of 4531128 is about 165.4761635730.

The spelling of 4531128 in words is "four million, five hundred thirty-one thousand, one hundred twenty-eight".