1122443403 has 4 divisors (see below), whose sum is σ = 1496591208. Its totient is φ = 748295600.

The previous prime is 1122443369. The next prime is 1122443419. The reversal of 1122443403 is 3043442211.

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 1122443403 - 2⁶ = 1122443339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122443423) by changing a digit.

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, 187073898 + ... + 187073903.

It is an arithmetic number, because the mean of its divisors is an integer number (374147802).

Almost surely, 2^1122443403 is an apocalyptic number.

1122443403 is a deficient number, since it is larger than the sum of its proper divisors (374147805).

1122443403 is an equidigital number, since it uses as much as digits as its factorization.

1122443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374147804.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1122443403 is about 33502.8864875849. The cubic root of 1122443403 is about 1039.2534715932.

Adding to 1122443403 its reverse (3043442211), we get a palindrome (4165885614).

The spelling of 1122443403 in words is "one billion, one hundred twenty-two million, four hundred forty-three thousand, four hundred three".