1122538543 has 32 divisors (see below), whose sum is σ = 1395947520. Its totient is φ = 880857600.

The previous prime is 1122538513. The next prime is 1122538567. The reversal of 1122538543 is 3458352211.

It is not a de Polignac number, because 1122538543 - 2⁵ = 1122538511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122538499 and 1122538508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122538513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708330 + ... + 709912.

It is an arithmetic number, because the mean of its divisors is an integer number (43623360).

Almost surely, 2^1122538543 is an apocalyptic number.

1122538543 is a deficient number, since it is larger than the sum of its proper divisors (273408977).

1122538543 is a wasteful number, since it uses less digits than its factorization.

1122538543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767.

The product of its digits is 28800, while the sum is 34.

The square root of 1122538543 is about 33504.3063351564. The cubic root of 1122538543 is about 1039.2828336621.

The spelling of 1122538543 in words is "one billion, one hundred twenty-two million, five hundred thirty-eight thousand, five hundred forty-three".