1122340 has 24 divisors (see below), whose sum is σ = 2496312. Its totient is φ = 422400.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122340 is 432211.

It can be written as a sum of positive squares in 4 ways, for example, as 106276 + 1016064 = 326^2 + 1008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 1990.

It is an arithmetic number, because the mean of its divisors is an integer number (104013).

2^1122340 is an apocalyptic number.

1122340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122340 is an abundant number, since it is smaller than the sum of its proper divisors (1373972).

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

1122340 is a wasteful number, since it uses less digits than its factorization.

1122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3325 counting only the distinct ones).

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

The square root of 1122340 is about 1059.4054936614. The cubic root of 1122340 is about 103.9221557519.

Adding to 1122340 its reverse (432211), we get a palindrome (1554551).

The spelling of 1122340 in words is "one million, one hundred twenty-two thousand, three hundred forty".