111042434 has 16 divisors (see below), whose sum is σ = 172855296. Its totient is φ = 53443200.

The previous prime is 111042431. The next prime is 111042461. The reversal of 111042434 is 434240111.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111042431) 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, 7154 + ... + 16530.

It is an arithmetic number, because the mean of its divisors is an integer number (10803456).

Almost surely, 2^111042434 is an apocalyptic number.

111042434 is a deficient number, since it is larger than the sum of its proper divisors (61812862).

111042434 is a wasteful number, since it uses less digits than its factorization.

111042434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601.

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

The square root of 111042434 is about 10537.6673889433. The cubic root of 111042434 is about 480.6507868208.

Adding to 111042434 its reverse (434240111), we get a palindrome (545282545).

The spelling of 111042434 in words is "one hundred eleven million, forty-two thousand, four hundred thirty-four".