1121244 has 24 divisors (see below), whose sum is σ = 2634240. Its totient is φ = 371184.

The previous prime is 1121231. The next prime is 1121249. The reversal of 1121244 is 4421211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (109760).

2^1121244 is an apocalyptic number.

It is an amenable number.

1121244 is an abundant number, since it is smaller than the sum of its proper divisors (1512996).

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

1121244 is a wasteful number, since it uses less digits than its factorization.

1121244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 647 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 1121244 is about 1058.8880960706. Note that the first 3 decimals coincide. The cubic root of 1121244 is about 103.8883169930. Note that the first 3 decimals are identical.

Adding to 1121244 its reverse (4421211), we get a palindrome (5542455).

The spelling of 1121244 in words is "one million, one hundred twenty-one thousand, two hundred forty-four".