111249 has 12 divisors (see below), whose sum is σ = 164736. Its totient is φ = 72312.

The previous prime is 111229. The next prime is 111253. The reversal of 111249 is 942111.

It is not a de Polignac number, because 111249 - 2⁵ = 111217 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111229) 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, 292 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (13728).

2¹¹¹²⁴⁹ is an apocalyptic number.

It is an amenable number.

111249 is a deficient number, since it is larger than the sum of its proper divisors (53487).

111249 is a wasteful number, since it uses less digits than its factorization.

111249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 313 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 111249 is about 333.5401025364. The cubic root of 111249 is about 48.0948644751.

The spelling of 111249 in words is "one hundred eleven thousand, two hundred forty-nine".