426243111 has 12 divisors (see below), whose sum is σ = 661111992. Its totient is φ = 243567408.

The previous prime is 426243089. The next prime is 426243113. The reversal of 426243111 is 111342624.

It is a de Polignac number, because none of the positive numbers 2^k-426243111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426243113) 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 11 ways as a sum of consecutive naturals, for example, 1449660 + ... + 1449953.

It is an arithmetic number, because the mean of its divisors is an integer number (55092666).

Almost surely, 2^426243111 is an apocalyptic number.

426243111 is a deficient number, since it is larger than the sum of its proper divisors (234868881).

426243111 is a wasteful number, since it uses less digits than its factorization.

426243111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899630 (or 2899623 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 426243111 is about 20645.6559837657. The cubic root of 426243111 is about 752.5796274129.

Adding to 426243111 its reverse (111342624), we get a palindrome (537585735).

The spelling of 426243111 in words is "four hundred twenty-six million, two hundred forty-three thousand, one hundred eleven".