1115580 has 24 divisors (see below), whose sum is σ = 3123792. Its totient is φ = 297472.

The previous prime is 1115579. The next prime is 1115581. The reversal of 1115580 is 855111.

It is an interprime number because it is at equal distance from previous prime (1115579) and next prime (1115581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115581) 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, 9237 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (130158).

2^1115580 is an apocalyptic number.

1115580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115580 is an abundant number, since it is smaller than the sum of its proper divisors (2008212).

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

1115580 is a wasteful number, since it uses less digits than its factorization.

1115580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18605 (or 18603 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1115580 is about 1056.2102063510. The cubic root of 1115580 is about 103.7130898849.

The spelling of 1115580 in words is "one million, one hundred fifteen thousand, five hundred eighty".