1122543652 has 12 divisors (see below), whose sum is σ = 1965148416. Its totient is φ = 561072680.

The previous prime is 1122543649. The next prime is 1122543679. The reversal of 1122543652 is 2563452211.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36724 + ... + 59947.

It is an arithmetic number, because the mean of its divisors is an integer number (163762368).

Almost surely, 2^1122543652 is an apocalyptic number.

It is an amenable number.

1122543652 is a deficient number, since it is larger than the sum of its proper divisors (842604764).

1122543652 is a wasteful number, since it uses less digits than its factorization.

1122543652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99578 (or 99576 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 1122543652 is about 33504.3825790000. The cubic root of 1122543652 is about 1039.2844103527.

Adding to 1122543652 its reverse (2563452211), we get a palindrome (3685995863).

The spelling of 1122543652 in words is "one billion, one hundred twenty-two million, five hundred forty-three thousand, six hundred fifty-two".