1266226 has 16 divisors (see below), whose sum is σ = 2112768. Its totient is φ = 565200.

The previous prime is 1266197. The next prime is 1266229. The reversal of 1266226 is 6226621.

1266226 = 33² + 34² + ... + 156².

It is a self number, because there is not a number n which added to its sum of digits gives 1266226.

It is not an unprimeable number, because it can be changed into a prime (1266229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (132048).

2^1266226 is an apocalyptic number.

1266226 is a deficient number, since it is larger than the sum of its proper divisors (846542).

1266226 is a wasteful number, since it uses less digits than its factorization.

1266226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its digits is 1728, while the sum is 25.

The square root of 1266226 is about 1125.2670794083. The cubic root of 1266226 is about 108.1858368807.

The spelling of 1266226 in words is "one million, two hundred sixty-six thousand, two hundred twenty-six".