1115320 has 16 divisors (see below), whose sum is σ = 2509560. Its totient is φ = 446112.

The previous prime is 1115299. The next prime is 1115321. The reversal of 1115320 is 235111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115321) 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 3 ways as a sum of consecutive naturals, for example, 13902 + ... + 13981.

2^1115320 is an apocalyptic number.

1115320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115320 is an abundant number, since it is smaller than the sum of its proper divisors (1394240).

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

1115320 is a wasteful number, since it uses less digits than its factorization.

1115320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894 (or 27890 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1115320 is about 1056.0871176186. The cubic root of 1115320 is about 103.7050320440.

The spelling of 1115320 in words is "one million, one hundred fifteen thousand, three hundred twenty".