1171116 has 18 divisors (see below), whose sum is σ = 2960412. Its totient is φ = 390360.

The previous prime is 1171111. The next prime is 1171117. The reversal of 1171116 is 6111711.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1171111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16230 + ... + 16301.

2^1171116 is an apocalyptic number.

It is an amenable number.

1171116 is an abundant number, since it is smaller than the sum of its proper divisors (1789296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171116 is a wasteful number, since it uses less digits than its factorization.

1171116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32541 (or 32536 counting only the distinct ones).

The product of its digits is 42, while the sum is 18.

The square root of 1171116 is about 1082.1811308649. The cubic root of 1171116 is about 105.4063168107.

Adding to 1171116 its reverse (6111711), we get a palindrome (7282827).

The spelling of 1171116 in words is "one million, one hundred seventy-one thousand, one hundred sixteen".