441142111 has 4 divisors (see below), whose sum is σ = 441855400. Its totient is φ = 440428824.

The previous prime is 441142109. The next prime is 441142147. The reversal of 441142111 is 111241144.

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 441142111 - 2¹ = 441142109 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 (441142811) 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, 355716 + ... + 356953.

It is an arithmetic number, because the mean of its divisors is an integer number (110463850).

Almost surely, 2^441142111 is an apocalyptic number.

441142111 is a deficient number, since it is larger than the sum of its proper divisors (713289).

441142111 is an equidigital number, since it uses as much as digits as its factorization.

441142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713288.

The product of its digits is 128, while the sum is 19.

The square root of 441142111 is about 21003.3833226935. The cubic root of 441142111 is about 761.2480135445.

Adding to 441142111 its reverse (111241144), we get a palindrome (552383255).

It can be divided in two parts, 44114 and 2111, that added together give a square (46225 = 215²).

The spelling of 441142111 in words is "four hundred forty-one million, one hundred forty-two thousand, one hundred eleven".