404143111 has 8 divisors (see below), whose sum is σ = 419210000. Its totient is φ = 389333952.

The previous prime is 404143099. The next prime is 404143127. The reversal of 404143111 is 111341404.

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 404143111 - 2¹³ = 404134919 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 (404143151) 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 7 ways as a sum of consecutive naturals, for example, 61236 + ... + 67513.

It is an arithmetic number, because the mean of its divisors is an integer number (52401250).

Almost surely, 2^404143111 is an apocalyptic number.

404143111 is a deficient number, since it is larger than the sum of its proper divisors (15066889).

404143111 is a wasteful number, since it uses less digits than its factorization.

404143111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128865.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 404143111 is about 20103.3109462098. The cubic root of 404143111 is about 739.3414588043.

Adding to 404143111 its reverse (111341404), we get a palindrome (515484515).

The spelling of 404143111 in words is "four hundred four million, one hundred forty-three thousand, one hundred eleven".