1121241652 has 12 divisors (see below), whose sum is σ = 1964406276. Its totient is φ = 559982720.

The previous prime is 1121241643. The next prime is 1121241677. The reversal of 1121241652 is 2561421211.

It can be written as a sum of positive squares in 2 ways, for example, as 216796176 + 904445476 = 14724^2 + 30074^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155563 + ... + 162610.

It is an arithmetic number, because the mean of its divisors is an integer number (163700523).

Almost surely, 2^1121241652 is an apocalyptic number.

It is an amenable number.

1121241652 is a deficient number, since it is larger than the sum of its proper divisors (843164624).

1121241652 is a wasteful number, since it uses less digits than its factorization.

1121241652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319058 (or 319056 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1121241652 is about 33484.9466477102. The cubic root of 1121241652 is about 1038.8824447531.

Adding to 1121241652 its reverse (2561421211), we get a palindrome (3682662863).

The spelling of 1121241652 in words is "one billion, one hundred twenty-one million, two hundred forty-one thousand, six hundred fifty-two".