1121552 has 20 divisors (see below), whose sum is σ = 2190336. Its totient is φ = 556320.

The previous prime is 1121543. The next prime is 1121557. The reversal of 1121552 is 2551211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121552.

It is not an unprimeable number, because it can be changed into a prime (1121557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2873 + ... + 3239.

2^1121552 is an apocalyptic number.

It is an amenable number.

1121552 is a deficient number, since it is larger than the sum of its proper divisors (1068784).

1121552 is a wasteful number, since it uses less digits than its factorization.

1121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 560 counting only the distinct ones).

The product of its digits is 100, while the sum is 17.

The square root of 1121552 is about 1059.0335216602. The cubic root of 1121552 is about 103.8978286521.

Adding to 1121552 its reverse (2551211), we get a palindrome (3672763).

The spelling of 1121552 in words is "one million, one hundred twenty-one thousand, five hundred fifty-two".