1226568 has 64 divisors (see below), whose sum is σ = 3600000. Its totient is φ = 348096.

The previous prime is 1226557. The next prime is 1226581. The reversal of 1226568 is 8656221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8158 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (56250).

2^1226568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800000).

1226568 is an abundant number, since it is smaller than the sum of its proper divisors (2373432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226568 is a wasteful number, since it uses less digits than its factorization.

1226568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 161 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1226568 is about 1107.5053047277. The cubic root of 1226568 is about 107.0443813910.

The spelling of 1226568 in words is "one million, two hundred twenty-six thousand, five hundred sixty-eight".