1117080 has 96 divisors (see below), whose sum is σ = 3790800. Its totient is φ = 284928.

The previous prime is 1117079. The next prime is 1117099. The reversal of 1117080 is 807111.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10387 + ... + 10493.

2^1117080 is an apocalyptic number.

1117080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895400).

1117080 is an abundant number, since it is smaller than the sum of its proper divisors (2673720).

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

1117080 is a wasteful number, since it uses less digits than its factorization.

1117080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 146 counting only the distinct ones).

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

The square root of 1117080 is about 1056.9200537411. The cubic root of 1117080 is about 103.7595529985.

The spelling of 1117080 in words is "one million, one hundred seventeen thousand, eighty".