111876121 has 8 divisors (see below), whose sum is σ = 130579200. Its totient is φ = 93853248.

The previous prime is 111876109. The next prime is 111876137. The reversal of 111876121 is 121678111.

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

It is a cyclic number.

It is not a de Polignac number, because 111876121 - 2⁹ = 111875609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111876121.

It is not an unprimeable number, because it can be changed into a prime (111876101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169696 + ... + 170353.

It is an arithmetic number, because the mean of its divisors is an integer number (16322400).

Almost surely, 2^111876121 is an apocalyptic number.

It is an amenable number.

111876121 is a deficient number, since it is larger than the sum of its proper divisors (18703079).

111876121 is an equidigital number, since it uses as much as digits as its factorization.

111876121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340103.

The product of its digits is 672, while the sum is 28.

The square root of 111876121 is about 10577.1508923717. The cubic root of 111876121 is about 481.8506694072.

The spelling of 111876121 in words is "one hundred eleven million, eight hundred seventy-six thousand, one hundred twenty-one".