1122203543 has 4 divisors (see below), whose sum is σ = 1122437328. Its totient is φ = 1121969760.

The previous prime is 1122203527. The next prime is 1122203629. The reversal of 1122203543 is 3453022211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122203543 - 2⁴ = 1122203527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122203513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109538 + ... + 119343.

It is an arithmetic number, because the mean of its divisors is an integer number (280609332).

Almost surely, 2^1122203543 is an apocalyptic number.

1122203543 is a deficient number, since it is larger than the sum of its proper divisors (233785).

1122203543 is an equidigital number, since it uses as much as digits as its factorization.

1122203543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233784.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1122203543 is about 33499.3066047642. The cubic root of 1122203543 is about 1039.1794387302.

Adding to 1122203543 its reverse (3453022211), we get a palindrome (4575225754).

The spelling of 1122203543 in words is "one billion, one hundred twenty-two million, two hundred three thousand, five hundred forty-three".