1115760 has 40 divisors (see below), whose sum is σ = 3459600. Its totient is φ = 297472.

The previous prime is 1115759. The next prime is 1115767. The reversal of 1115760 is 675111.

1115760 = 171² + 172² + ... + 202².

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115767) 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 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (86490).

2^1115760 is an apocalyptic number.

1115760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115760 is an abundant number, since it is smaller than the sum of its proper divisors (2343840).

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

1115760 is a wasteful number, since it uses less digits than its factorization.

1115760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1115760 is about 1056.2954132249. The cubic root of 1115760 is about 103.7186676567.

The spelling of 1115760 in words is "one million, one hundred fifteen thousand, seven hundred sixty".