1180566 has 12 divisors (see below), whose sum is σ = 2557932. Its totient is φ = 393516.

The previous prime is 1180549. The next prime is 1180577. The reversal of 1180566 is 6650811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32776 + ... + 32811.

It is an arithmetic number, because the mean of its divisors is an integer number (213161).

2^1180566 is an apocalyptic number.

1180566 is an abundant number, since it is smaller than the sum of its proper divisors (1377366).

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

1180566 is a wasteful number, since it uses less digits than its factorization.

1180566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65595 (or 65592 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1180566 is about 1086.5385405037. The cubic root of 1180566 is about 105.6890734337.

The spelling of 1180566 in words is "one million, one hundred eighty thousand, five hundred sixty-six".