1115266 has 4 divisors (see below), whose sum is σ = 1672902. Its totient is φ = 557632.

The previous prime is 1115239. The next prime is 1115267. The reversal of 1115266 is 6625111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6625111 = 193 ⋅34327.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 184041 = 965^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (1115267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278815 + ... + 278818.

2^1115266 is an apocalyptic number.

1115266 is a deficient number, since it is larger than the sum of its proper divisors (557636).

1115266 is an equidigital number, since it uses as much as digits as its factorization.

1115266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557635.

The product of its digits is 360, while the sum is 22.

The square root of 1115266 is about 1056.0615512365. The cubic root of 1115266 is about 103.7033583353.

The spelling of 1115266 in words is "one million, one hundred fifteen thousand, two hundred sixty-six".