1128266 has 4 divisors (see below), whose sum is σ = 1692402. Its totient is φ = 564132.

The previous prime is 1128251. The next prime is 1128287. The reversal of 1128266 is 6628211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6628211 = 29 ⋅228559.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 265225 = 929^2 + 515^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282065 + ... + 282068.

2^1128266 is an apocalyptic number.

1128266 is a deficient number, since it is larger than the sum of its proper divisors (564136).

1128266 is an equidigital number, since it uses as much as digits as its factorization.

1128266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564135.

The product of its digits is 1152, while the sum is 26.

The square root of 1128266 is about 1062.1986631511. The cubic root of 1128266 is about 104.1047391556.

Subtracting 1128266 from its reverse (6628211), we obtain a palindrome (5499945).

The spelling of 1128266 in words is "one million, one hundred twenty-eight thousand, two hundred sixty-six".