1126543432 has 16 divisors (see below), whose sum is σ = 2414021760. Its totient is φ = 482804304.

The previous prime is 1126543417. The next prime is 1126543499. The reversal of 1126543432 is 2343456211.

It is a junction number, because it is equal to n+sod(n) for n = 1126543394 and 1126543403.

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, 10058368 + ... + 10058479.

It is an arithmetic number, because the mean of its divisors is an integer number (150876360).

Almost surely, 2^1126543432 is an apocalyptic number.

It is an amenable number.

1126543432 is an abundant number, since it is smaller than the sum of its proper divisors (1287478328).

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

1126543432 is a wasteful number, since it uses less digits than its factorization.

1126543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116860 (or 20116856 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 1126543432 is about 33564.0199022703. The cubic root of 1126543432 is about 1040.5173190613.

Adding to 1126543432 its reverse (2343456211), we get a palindrome (3469999643).

It can be divided in two parts, 112654 and 3432, that multiplied together give a triangular number (386628528 = T₂₇₈₀₇).

The spelling of 1126543432 in words is "one billion, one hundred twenty-six million, five hundred forty-three thousand, four hundred thirty-two".