111930534 has 12 divisors (see below), whose sum is σ = 242516196. Its totient is φ = 37310172.

The previous prime is 111930527. The next prime is 111930551. The reversal of 111930534 is 435039111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111930498 and 111930507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3109164 + ... + 3109199.

It is an arithmetic number, because the mean of its divisors is an integer number (20209683).

Almost surely, 2^111930534 is an apocalyptic number.

111930534 is an abundant number, since it is smaller than the sum of its proper divisors (130585662).

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

111930534 is a wasteful number, since it uses less digits than its factorization.

111930534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218371 (or 6218368 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 111930534 is about 10579.7227751960. The cubic root of 111930534 is about 481.9287757111.

Adding to 111930534 its reverse (435039111), we get a palindrome (546969645).

The spelling of 111930534 in words is "one hundred eleven million, nine hundred thirty thousand, five hundred thirty-four".