1154266 has 12 divisors (see below), whose sum is σ = 1840158. Its totient is φ = 542912.

The previous prime is 1154243. The next prime is 1154267. The reversal of 1154266 is 6624511.

It can be written as a sum of positive squares in 3 ways, for example, as 970225 + 184041 = 985^2 + 429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1154266.

It is not an unprimeable number, because it can be changed into a prime (1154267) 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, 421 + ... + 1576.

2^1154266 is an apocalyptic number.

1154266 is a deficient number, since it is larger than the sum of its proper divisors (685892).

1154266 is a wasteful number, since it uses less digits than its factorization.

1154266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2016 counting only the distinct ones).

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

The square root of 1154266 is about 1074.3677210341. The cubic root of 1154266 is about 104.8983445471.

Adding to 1154266 its reverse (6624511), we get a palindrome (7778777).

The spelling of 1154266 in words is "one million, one hundred fifty-four thousand, two hundred sixty-six".