1121448 has 16 divisors (see below), whose sum is σ = 2803680. Its totient is φ = 373808.

The previous prime is 1121447. The next prime is 1121453. The reversal of 1121448 is 8441211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1121443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23340 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (175230).

2^1121448 is an apocalyptic number.

It is an amenable number.

1121448 is an abundant number, since it is smaller than the sum of its proper divisors (1682232).

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

1121448 is a wasteful number, since it uses less digits than its factorization.

1121448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46736 (or 46732 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1121448 is about 1058.9844191488. The cubic root of 1121448 is about 103.8946171178.

Adding to 1121448 its reverse (8441211), we get a palindrome (9562659).

The spelling of 1121448 in words is "one million, one hundred twenty-one thousand, four hundred forty-eight".