43020133 has 6 divisors (see below), whose sum is σ = 46584114. Its totient is φ = 39710736.

The previous prime is 43020127. The next prime is 43020139. The reversal of 43020133 is 33102034.

43020133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43020127) and next prime (43020139).

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 43007364 = 113^2 + 6558^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43020133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43020139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127110 + ... + 127447.

It is an arithmetic number, because the mean of its divisors is an integer number (7764019).

Almost surely, 2^43020133 is an apocalyptic number.

It is an amenable number.

43020133 is a deficient number, since it is larger than the sum of its proper divisors (3563981).

43020133 is a wasteful number, since it uses less digits than its factorization.

43020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254583 (or 254570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 43020133 is about 6558.9734715121. The cubic root of 43020133 is about 350.3944749594.

Adding to 43020133 its reverse (33102034), we get a palindrome (76122167).

The spelling of 43020133 in words is "forty-three million, twenty thousand, one hundred thirty-three".