111304424 has 64 divisors (see below), whose sum is σ = 262915200. Its totient is φ = 42912000.

The previous prime is 111304421. The next prime is 111304433. The reversal of 111304424 is 424403111.

It is a junction number, because it is equal to n+sod(n) for n = 111304396 and 111304405.

It is not an unprimeable number, because it can be changed into a prime (111304421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61322 + ... + 63110.

It is an arithmetic number, because the mean of its divisors is an integer number (4108050).

Almost surely, 2^111304424 is an apocalyptic number.

111304424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111304424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131457600).

111304424 is an abundant number, since it is smaller than the sum of its proper divisors (151610776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111304424 is a wasteful number, since it uses less digits than its factorization.

111304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 111304424 is about 10550.0911844401. The cubic root of 111304424 is about 481.0285006661.

Adding to 111304424 its reverse (424403111), we get a palindrome (535707535).

The spelling of 111304424 in words is "one hundred eleven million, three hundred four thousand, four hundred twenty-four".