1122320 has 20 divisors (see below), whose sum is σ = 2609580. Its totient is φ = 448896.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122320 is 232211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 169744 + 952576 = 412^2 + 976^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6935 + ... + 7094.

It is an arithmetic number, because the mean of its divisors is an integer number (130479).

2^1122320 is an apocalyptic number.

1122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122320 is an abundant number, since it is smaller than the sum of its proper divisors (1487260).

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

1122320 is a wasteful number, since it uses less digits than its factorization.

1122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042 (or 14036 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1122320 is about 1059.3960543631. The cubic root of 1122320 is about 103.9215384537.

Adding to 1122320 its reverse (232211), we get a palindrome (1354531).

The spelling of 1122320 in words is "one million, one hundred twenty-two thousand, three hundred twenty".