111434242 has 8 divisors (see below), whose sum is σ = 171038736. Its totient is φ = 54421332.

The previous prime is 111434231. The next prime is 111434261. The reversal of 111434242 is 242434111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111434242² = 24835180580229128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647788 + ... + 647959.

It is an arithmetic number, because the mean of its divisors is an integer number (21379842).

Almost surely, 2^111434242 is an apocalyptic number.

111434242 is a deficient number, since it is larger than the sum of its proper divisors (59604494).

111434242 is a wasteful number, since it uses less digits than its factorization.

111434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295792.

The product of its digits is 768, while the sum is 22.

The square root of 111434242 is about 10556.2418502041. The cubic root of 111434242 is about 481.2154411120.

Adding to 111434242 its reverse (242434111), we get a palindrome (353868353).

The spelling of 111434242 in words is "one hundred eleven million, four hundred thirty-four thousand, two hundred forty-two".