1121284 has 6 divisors (see below), whose sum is σ = 1962254. Its totient is φ = 560640.

The previous prime is 1121261. The next prime is 1121293. The reversal of 1121284 is 4821211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 260100 = 928^2 + 510^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140157 + ... + 140164.

2^1121284 is an apocalyptic number.

It is an amenable number.

1121284 is a deficient number, since it is larger than the sum of its proper divisors (840970).

1121284 is a wasteful number, since it uses less digits than its factorization.

1121284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280325 (or 280323 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1121284 is about 1058.9069836393. The cubic root of 1121284 is about 103.8895523718.

Adding to 1121284 its reverse (4821211), we get a palindrome (5942495).

The spelling of 1121284 in words is "one million, one hundred twenty-one thousand, two hundred eighty-four".