111602 has 8 divisors (see below), whose sum is σ = 171612. Its totient is φ = 54400.

The previous prime is 111599. The next prime is 111611. The reversal of 111602 is 206111.

It can be written as a sum of positive squares in 2 ways, for example, as 89401 + 22201 = 299^2 + 149^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 111602.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 599 + ... + 762.

2¹¹¹⁶⁰² is an apocalyptic number.

111602 is a deficient number, since it is larger than the sum of its proper divisors (60010).

111602 is a wasteful number, since it uses less digits than its factorization.

111602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111602 is about 334.0688551781. The cubic root of 111602 is about 48.1456800985.

Adding to 111602 its reverse (206111), we get a palindrome (317713).

The spelling of 111602 in words is "one hundred eleven thousand, six hundred two".