1166245 has 8 divisors (see below), whose sum is σ = 1433880. Its totient is φ = 910080.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166245 is 5426611.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 1046529 = 346^2 + 1023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166245 - 2³ = 1166237 is a prime.

1166245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (179235).

2^1166245 is an apocalyptic number.

It is an amenable number.

1166245 is a deficient number, since it is larger than the sum of its proper divisors (267635).

1166245 is an equidigital number, since it uses as much as digits as its factorization.

1166245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its digits is 1440, while the sum is 25.

The square root of 1166245 is about 1079.9282383566. The cubic root of 1166245 is about 105.2599755836.

The spelling of 1166245 in words is "one million, one hundred sixty-six thousand, two hundred forty-five".