111354243 has 48 divisors (see below), whose sum is σ = 200917248. Its totient is φ = 53380800.

The previous prime is 111354241. The next prime is 111354251. The reversal of 111354243 is 342453111.

It is a happy number.

It is not a de Polignac number, because 111354243 - 2¹ = 111354241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111354241) 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 47 ways as a sum of consecutive naturals, for example, 31348 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (4185776).

Almost surely, 2^111354243 is an apocalyptic number.

111354243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111354243 is a deficient number, since it is larger than the sum of its proper divisors (89563005).

111354243 is a wasteful number, since it uses less digits than its factorization.

111354243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3405 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 111354243 is about 10552.4519899405. The cubic root of 111354243 is about 481.1002581743.

The spelling of 111354243 in words is "one hundred eleven million, three hundred fifty-four thousand, two hundred forty-three".