111424244 has 12 divisors (see below), whose sum is σ = 195617604. Its totient is φ = 55533504.

The previous prime is 111424241. The next prime is 111424249. The reversal of 111424244 is 442424111.

It can be written as a sum of positive squares in 2 ways, for example, as 32924644 + 78499600 = 5738^2 + 8860^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111424241) 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 3 ways as a sum of consecutive naturals, for example, 43247 + ... + 45750.

It is an arithmetic number, because the mean of its divisors is an integer number (16301467).

Almost surely, 2^111424244 is an apocalyptic number.

It is an amenable number.

111424244 is a deficient number, since it is larger than the sum of its proper divisors (84193360).

111424244 is a wasteful number, since it uses less digits than its factorization.

111424244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89314 (or 89312 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 111424244 is about 10555.7682808974. The cubic root of 111424244 is about 481.2010489593.

Adding to 111424244 its reverse (442424111), we get a palindrome (553848355).

The spelling of 111424244 in words is "one hundred eleven million, four hundred twenty-four thousand, two hundred forty-four".