443075121 has 6 divisors (see below), whose sum is σ = 639997410. Its totient is φ = 295383408.

The previous prime is 443075099. The next prime is 443075153. The reversal of 443075121 is 121570344.

It can be written as a sum of positive squares in only one way, i.e., 442639521 + 435600 = 21039^2 + 660^2 .

It is not a de Polignac number, because 443075121 - 2⁵ = 443075089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (443075621) 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, 24615276 + ... + 24615293.

It is an arithmetic number, because the mean of its divisors is an integer number (106666235).

Almost surely, 2^443075121 is an apocalyptic number.

It is an amenable number.

443075121 is a deficient number, since it is larger than the sum of its proper divisors (196922289).

443075121 is a wasteful number, since it uses less digits than its factorization.

443075121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49230575 (or 49230572 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 443075121 is about 21049.3496574122. The cubic root of 443075121 is about 762.3582800663.

The spelling of 443075121 in words is "four hundred forty-three million, seventy-five thousand, one hundred twenty-one".