43124201 has 4 divisors (see below), whose sum is σ = 43262292. Its totient is φ = 42986112.

The previous prime is 43124177. The next prime is 43124209. The reversal of 43124201 is 10242134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 42445225 = 824^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 43124201 - 2¹⁴ = 43107817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43124201.

It is not an unprimeable number, because it can be changed into a prime (43124209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68576 + ... + 69201.

It is an arithmetic number, because the mean of its divisors is an integer number (10815573).

Almost surely, 2^43124201 is an apocalyptic number.

It is an amenable number.

43124201 is a deficient number, since it is larger than the sum of its proper divisors (138091).

43124201 is a wasteful number, since it uses less digits than its factorization.

43124201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138090.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43124201 is about 6566.9019331798. The cubic root of 43124201 is about 350.6767884226.

Adding to 43124201 its reverse (10242134), we get a palindrome (53366335).

The spelling of 43124201 in words is "forty-three million, one hundred twenty-four thousand, two hundred one".