1155760 has 20 divisors (see below), whose sum is σ = 2687328. Its totient is φ = 462272.

The previous prime is 1155733. The next prime is 1155821. The reversal of 1155760 is 675511.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7144 + ... + 7303.

2^1155760 is an apocalyptic number.

1155760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155760 is an abundant number, since it is smaller than the sum of its proper divisors (1531568).

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

1155760 is a wasteful number, since it uses less digits than its factorization.

1155760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14454 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1155760 is about 1075.0627888640. The cubic root of 1155760 is about 104.9435826927.

Subtracting from 1155760 its reverse (675511), we obtain a square (480249 = 693²).

The spelling of 1155760 in words is "one million, one hundred fifty-five thousand, seven hundred sixty".