1117320 has 32 divisors (see below), whose sum is σ = 3352320. Its totient is φ = 297920.

The previous prime is 1117309. The next prime is 1117321. The reversal of 1117320 is 237111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1117320.

It is not an unprimeable number, because it can be changed into a prime (1117321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (104760).

2^1117320 is an apocalyptic number.

1117320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117320 is an abundant number, since it is smaller than the sum of its proper divisors (2235000).

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

1117320 is a wasteful number, since it uses less digits than its factorization.

1117320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1117320 is about 1057.0335850861. The cubic root of 1117320 is about 103.7669832362.

The spelling of 1117320 in words is "one million, one hundred seventeen thousand, three hundred twenty".