1228766 has 32 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 468000.

The previous prime is 1228763. The next prime is 1228783. The reversal of 1228766 is 6678221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12116 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2^1228766 is an apocalyptic number.

1228766 is a deficient number, since it is larger than the sum of its proper divisors (1121314).

1228766 is a wasteful number, since it uses less digits than its factorization.

1228766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 8064, while the sum is 32.

The square root of 1228766 is about 1108.4971808715. The cubic root of 1228766 is about 107.1082841256.

It can be divided in two parts, 122 and 8766, that added together give a palindrome (8888).

The spelling of 1228766 in words is "one million, two hundred twenty-eight thousand, seven hundred sixty-six".