111242245 has 8 divisors (see below), whose sum is σ = 140516640. Its totient is φ = 84309840.

The previous prime is 111242233. The next prime is 111242249. The reversal of 111242245 is 542242111.

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

It is not a de Polignac number, because 111242245 - 2⁵ = 111242213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585391 + ... + 585580.

It is an arithmetic number, because the mean of its divisors is an integer number (17564580).

Almost surely, 2^111242245 is an apocalyptic number.

It is an amenable number.

111242245 is a deficient number, since it is larger than the sum of its proper divisors (29274395).

111242245 is a wasteful number, since it uses less digits than its factorization.

111242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170995.

The product of its digits is 640, while the sum is 22.

The square root of 111242245 is about 10547.1439262011. The cubic root of 111242245 is about 480.9389102096.

Adding to 111242245 its reverse (542242111), we get a palindrome (653484356).

The spelling of 111242245 in words is "one hundred eleven million, two hundred forty-two thousand, two hundred forty-five".