1223064 has 24 divisors (see below), whose sum is σ = 3312660. Its totient is φ = 407664.

The previous prime is 1223059. The next prime is 1223077. The reversal of 1223064 is 4603221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8422 + ... + 8565.

2^1223064 is an apocalyptic number.

It is an amenable number.

1223064 is an abundant number, since it is smaller than the sum of its proper divisors (2089596).

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

1223064 is a wasteful number, since it uses less digits than its factorization.

1223064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999 (or 16992 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1223064 is about 1105.9222395811. The cubic root of 1223064 is about 106.9423511044.

Adding to 1223064 its reverse (4603221), we get a palindrome (5826285).

The spelling of 1223064 in words is "one million, two hundred twenty-three thousand, sixty-four".