1227266 has 4 divisors (see below), whose sum is σ = 1840902. Its totient is φ = 613632.

The previous prime is 1227241. The next prime is 1227271. The reversal of 1227266 is 6627221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6627221 = 647 ⋅10243.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 6241 = 1105^2 + 79^2 .

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, 306815 + ... + 306818.

2^1227266 is an apocalyptic number.

1227266 is a deficient number, since it is larger than the sum of its proper divisors (613636).

1227266 is an equidigital number, since it uses as much as digits as its factorization.

1227266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613635.

The product of its digits is 2016, while the sum is 26.

The square root of 1227266 is about 1107.8203825531. The cubic root of 1227266 is about 107.0646827005.

The spelling of 1227266 in words is "one million, two hundred twenty-seven thousand, two hundred sixty-six".