1166249 has 6 divisors (see below), whose sum is σ = 1356714. Its totient is φ = 999600.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166249 is 9426611.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 78400 = 1043^2 + 280^2 .

It is not a de Polignac number, because 1166249 - 2⁸ = 1165993 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166219) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11852 + ... + 11949.

It is an arithmetic number, because the mean of its divisors is an integer number (226119).

2^1166249 is an apocalyptic number.

It is an amenable number.

1166249 is a deficient number, since it is larger than the sum of its proper divisors (190465).

1166249 is an equidigital number, since it uses as much as digits as its factorization.

1166249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23815 (or 23808 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 1166249 is about 1079.9300903299. The cubic root of 1166249 is about 105.2600959241.

It can be divided in two parts, 11662 and 49, that added together give a palindrome (11711).

The spelling of 1166249 in words is "one million, one hundred sixty-six thousand, two hundred forty-nine".