111131241 has 8 divisors (see below), whose sum is σ = 159573120. Its totient is φ = 68388432.

The previous prime is 111131233. The next prime is 111131257. The reversal of 111131241 is 142131111.

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

It is not a de Polignac number, because 111131241 - 2³ = 111131233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111131241.

It is not an unprimeable number, because it can be changed into a prime (111131201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424721 + ... + 1424798.

It is an arithmetic number, because the mean of its divisors is an integer number (19946640).

Almost surely, 2^111131241 is an apocalyptic number.

It is an amenable number.

111131241 is a deficient number, since it is larger than the sum of its proper divisors (48441879).

111131241 is a wasteful number, since it uses less digits than its factorization.

111131241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849535.

The product of its digits is 24, while the sum is 15.

The square root of 111131241 is about 10541.8803351205. The cubic root of 111131241 is about 480.7788873397.

Adding to 111131241 its reverse (142131111), we get a palindrome (253262352).

The spelling of 111131241 in words is "one hundred eleven million, one hundred thirty-one thousand, two hundred forty-one".