1122304 has 28 divisors (see below), whose sum is σ = 2260854. Its totient is φ = 557056.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122304 is 4032211.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 200704 = 960^2 + 448^2 .

It is a hoax number, since the sum of its digits (13) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124 + ... + 8260.

2^1122304 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 1122304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130427).

1122304 is an abundant number, since it is smaller than the sum of its proper divisors (1138550).

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

1122304 is an frugal number, since it uses more digits than its factorization.

1122304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1122304 is about 1059.3885028638. The cubic root of 1122304 is about 103.9210446098.

Adding to 1122304 its reverse (4032211), we get a palindrome (5154515).

The spelling of 1122304 in words is "one million, one hundred twenty-two thousand, three hundred four".