111830 has 16 divisors (see below), whose sum is σ = 206064. Its totient is φ = 43680.

The previous prime is 111829. The next prime is 111833. The reversal of 111830 is 38111.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (12879).

2¹¹¹⁸³⁰ is an apocalyptic number.

111830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111830 is a deficient number, since it is larger than the sum of its proper divisors (94234).

111830 is a wasteful number, since it uses less digits than its factorization.

111830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111830 is about 334.4099280823. The cubic root of 111830 is about 48.1784445894.

Adding to 111830 its reverse (38111), we get a palindrome (149941).

The spelling of 111830 in words is "one hundred eleven thousand, eight hundred thirty".