1170566 has 4 divisors (see below), whose sum is σ = 1755852. Its totient is φ = 585282.

The previous prime is 1170563. The next prime is 1170581. The reversal of 1170566 is 6650711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6650711 = 929 ⋅7159.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292640 + ... + 292643.

It is an arithmetic number, because the mean of its divisors is an integer number (438963).

2^1170566 is an apocalyptic number.

1170566 is a deficient number, since it is larger than the sum of its proper divisors (585286).

1170566 is an equidigital number, since it uses as much as digits as its factorization.

1170566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585285.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1170566 is about 1081.9269845974. The cubic root of 1170566 is about 105.3898133069.

The spelling of 1170566 in words is "one million, one hundred seventy thousand, five hundred sixty-six".