111968 has 12 divisors (see below), whose sum is σ = 220500. Its totient is φ = 55968.

The previous prime is 111959. The next prime is 111973. The reversal of 111968 is 869111.

It is a congruent number.

It is an unprimeable number.

111968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (18375).

2¹¹¹⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

111968 is a deficient number, since it is larger than the sum of its proper divisors (108532).

111968 is an equidigital number, since it uses as much as digits as its factorization.

111968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3501 counting only the distinct ones).

The product of its digits is 432, while the sum is 26.

The square root of 111968 is about 334.6161980538. The cubic root of 111968 is about 48.1982540991.

The spelling of 111968 in words is "one hundred eleven thousand, nine hundred sixty-eight".