111490 has 8 divisors (see below), whose sum is σ = 200700. Its totient is φ = 44592.

The previous prime is 111487. The next prime is 111491. The reversal of 111490 is 94111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108241 + 3249 = 329^2 + 57^2 .

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

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, 5565 + ... + 5584.

2¹¹¹⁴⁹⁰ is an apocalyptic number.

111490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111490 is a deficient number, since it is larger than the sum of its proper divisors (89210).

111490 is a wasteful number, since it uses less digits than its factorization.

111490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 111490 is about 333.9011829868. The cubic root of 111490 is about 48.1295689146.

The spelling of 111490 in words is "one hundred eleven thousand, four hundred ninety".