1117008 has 30 divisors (see below), whose sum is σ = 3126474. Its totient is φ = 372288.

The previous prime is 1116989. The next prime is 1117009. The reversal of 1117008 is 8007111.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 51984 = 1032^2 + 228^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3735 + ... + 4022.

2^1117008 is an apocalyptic number.

1117008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1117008 is an abundant number, since it is smaller than the sum of its proper divisors (2009466).

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

1117008 is a wasteful number, since it uses less digits than its factorization.

1117008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1117008 is about 1056.8859919594. The cubic root of 1117008 is about 103.7573237197.

The spelling of 1117008 in words is "one million, one hundred seventeen thousand, eight".