1123198203 has 8 divisors (see below), whose sum is σ = 1518690816. Its totient is φ = 738252200.

The previous prime is 1123198201. The next prime is 1123198283. The reversal of 1123198203 is 3028913211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123198203 - 2¹ = 1123198201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123198201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636403 + ... + 2636828.

It is an arithmetic number, because the mean of its divisors is an integer number (189836352).

Almost surely, 2^1123198203 is an apocalyptic number.

1123198203 is a deficient number, since it is larger than the sum of its proper divisors (395492613).

1123198203 is an equidigital number, since it uses as much as digits as its factorization.

1123198203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273305.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1123198203 is about 33514.1492954841. The cubic root of 1123198203 is about 1039.4863720528.

The spelling of 1123198203 in words is "one billion, one hundred twenty-three million, one hundred ninety-eight thousand, two hundred three".