4543120 has 40 divisors (see below), whose sum is σ = 10680120. Its totient is φ = 1797120.

The previous prime is 4543117. The next prime is 4543127. The reversal of 4543120 is 213454.

It can be written as a sum of positive squares in 4 ways, for example, as 430336 + 4112784 = 656^2 + 2028^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4543127) 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, 8460 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (267003).

Almost surely, 2^4543120 is an apocalyptic number.

4543120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5340060).

4543120 is an abundant number, since it is smaller than the sum of its proper divisors (6137000).

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

4543120 is a wasteful number, since it uses less digits than its factorization.

4543120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4543120 is about 2131.4595937995. The cubic root of 4543120 is about 165.6220170342.

Adding to 4543120 its reverse (213454), we get a palindrome (4756574).

It can be divided in two parts, 45431 and 20, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 4543120 in words is "four million, five hundred forty-three thousand, one hundred twenty".