1117115 has 4 divisors (see below), whose sum is σ = 1340544. Its totient is φ = 893688.

The previous prime is 1117111. The next prime is 1117117. The reversal of 1117115 is 5117111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117115 - 2² = 1117111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117093 and 1117102.

It is not an unprimeable number, because it can be changed into a prime (1117111) by changing a digit.

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, 111707 + ... + 111716.

It is an arithmetic number, because the mean of its divisors is an integer number (335136).

2^1117115 is an apocalyptic number.

1117115 is a deficient number, since it is larger than the sum of its proper divisors (223429).

1117115 is an equidigital number, since it uses as much as digits as its factorization.

1117115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223428.

The product of its digits is 35, while the sum is 17.

The square root of 1117115 is about 1056.9366111551. The cubic root of 1117115 is about 103.7606366411.

The spelling of 1117115 in words is "one million, one hundred seventeen thousand, one hundred fifteen".