401201443 has 4 divisors (see below), whose sum is σ = 418645008. Its totient is φ = 383757880.

The previous prime is 401201431. The next prime is 401201461. The reversal of 401201443 is 344102104.

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

It is a cyclic number.

It is not a de Polignac number, because 401201443 - 2⁹ = 401200931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401201443.

It is not an unprimeable number, because it can be changed into a prime (401201243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8721748 + ... + 8721793.

It is an arithmetic number, because the mean of its divisors is an integer number (104661252).

Almost surely, 2^401201443 is an apocalyptic number.

401201443 is a deficient number, since it is larger than the sum of its proper divisors (17443565).

401201443 is a wasteful number, since it uses less digits than its factorization.

401201443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443564.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401201443 is about 20030.0135546634. The cubic root of 401201443 is about 737.5432546880.

Adding to 401201443 its reverse (344102104), we get a palindrome (745303547).

The spelling of 401201443 in words is "four hundred one million, two hundred one thousand, four hundred forty-three".