111434 has 4 divisors (see below), whose sum is σ = 167154. Its totient is φ = 55716.

The previous prime is 111431. The next prime is 111439. The reversal of 111434 is 434111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 41209 = 265^2 + 203^2 .

It is not an unprimeable number, because it can be changed into a prime (111431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27857 + ... + 27860.

2¹¹¹⁴³⁴ is an apocalyptic number.

111434 is a deficient number, since it is larger than the sum of its proper divisors (55720).

111434 is an equidigital number, since it uses as much as digits as its factorization.

111434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55719.

The product of its digits is 48, while the sum is 14.

The square root of 111434 is about 333.8173153088. The cubic root of 111434 is about 48.1215092762.

Adding to 111434 its reverse (434111), we get a palindrome (545545).

It can be divided in two parts, 111 and 434, that added together give a palindrome (545).

The spelling of 111434 in words is "one hundred eleven thousand, four hundred thirty-four".