111554242 has 8 divisors (see below), whose sum is σ = 173101500. Its totient is φ = 53853744.

The previous prime is 111554227. The next prime is 111554243. The reversal of 111554242 is 242455111.

It can be written as a sum of positive squares in 2 ways, for example, as 110019121 + 1535121 = 10489^2 + 1239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111554243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961617 + ... + 961732.

Almost surely, 2^111554242 is an apocalyptic number.

111554242 is a deficient number, since it is larger than the sum of its proper divisors (61547258).

111554242 is a wasteful number, since it uses less digits than its factorization.

111554242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923380.

The product of its digits is 1600, while the sum is 25.

The square root of 111554242 is about 10561.9241618182. The cubic root of 111554242 is about 481.3881143588.

The spelling of 111554242 in words is "one hundred eleven million, five hundred fifty-four thousand, two hundred forty-two".