1116121 has 4 divisors (see below), whose sum is σ = 1164672. Its totient is φ = 1067572.

The previous prime is 1116107. The next prime is 1116133. The reversal of 1116121 is 1216111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1116121 - 2⁷ = 1115993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116821) 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, 24241 + ... + 24286.

It is an arithmetic number, because the mean of its divisors is an integer number (291168).

2^1116121 is an apocalyptic number.

It is an amenable number.

1116121 is a deficient number, since it is larger than the sum of its proper divisors (48551).

1116121 is an equidigital number, since it uses as much as digits as its factorization.

1116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550.

The product of its digits is 12, while the sum is 13.

The square root of 1116121 is about 1056.4662796322. The cubic root of 1116121 is about 103.7298523803.

The spelling of 1116121 in words is "one million, one hundred sixteen thousand, one hundred twenty-one".