111141243 has 12 divisors (see below), whose sum is σ = 161247528. Its totient is φ = 73766400.

The previous prime is 111141209. The next prime is 111141269. The reversal of 111141243 is 342141111.

It is not a de Polignac number, because 111141243 - 2¹⁰ = 111140219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111141143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25158 + ... + 29243.

It is an arithmetic number, because the mean of its divisors is an integer number (13437294).

Almost surely, 2^111141243 is an apocalyptic number.

111141243 is a deficient number, since it is larger than the sum of its proper divisors (50106285).

111141243 is a wasteful number, since it uses less digits than its factorization.

111141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54634 (or 54631 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111141243 is about 10542.3547179935. The cubic root of 111141243 is about 480.7933105451.

Adding to 111141243 its reverse (342141111), we get a palindrome (453282354).

The spelling of 111141243 in words is "one hundred eleven million, one hundred forty-one thousand, two hundred forty-three".