111498 has 8 divisors (see below), whose sum is σ = 223008. Its totient is φ = 37164.

The previous prime is 111497. The next prime is 111509. The reversal of 111498 is 894111.

111498 is nontrivially palindromic in base 14.

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

111498 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 111498.

It is not an unprimeable number, because it can be changed into a prime (111491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9286 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (27876).

2¹¹¹⁴⁹⁸ is an apocalyptic number.

111498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111498 is a wasteful number, since it uses less digits than its factorization.

111498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18588.

The product of its digits is 288, while the sum is 24.

The square root of 111498 is about 333.9131623641. The cubic root of 111498 is about 48.1307200712.

It can be divided in two parts, 111 and 498, that multiplied together give a triangular number (55278 = T₃₃₂).

The spelling of 111498 in words is "one hundred eleven thousand, four hundred ninety-eight".