43421201 has 8 divisors (see below), whose sum is σ = 44071104. Its totient is φ = 42774480.

The previous prime is 43421197. The next prime is 43421219. The reversal of 43421201 is 10212434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43421201 - 2² = 43421197 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 43421201.

It is not an unprimeable number, because it can be changed into a prime (43421221) 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 7 ways as a sum of consecutive naturals, for example, 44420 + ... + 45386.

It is an arithmetic number, because the mean of its divisors is an integer number (5508888).

Almost surely, 2^43421201 is an apocalyptic number.

It is an amenable number.

43421201 is a deficient number, since it is larger than the sum of its proper divisors (649903).

43421201 is an equidigital number, since it uses as much as digits as its factorization.

43421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

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

The square root of 43421201 is about 6589.4765345967. The cubic root of 43421201 is about 351.4799941670.

Adding to 43421201 its reverse (10212434), we get a palindrome (53633635).

The spelling of 43421201 in words is "forty-three million, four hundred twenty-one thousand, two hundred one".