1123122203 has 8 divisors (see below), whose sum is σ = 1313419008. Its totient is φ = 940288104.

The previous prime is 1123122127. The next prime is 1123122229. The reversal of 1123122203 is 3022213211.

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

It is a de Polignac number, because none of the positive numbers 2^k-1123122203 is a prime.

It is a super-2 number, since 2×1123122203² = 2522806965743146418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123122263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865351 + ... + 1865952.

It is an arithmetic number, because the mean of its divisors is an integer number (164177376).

Almost surely, 2^1123122203 is an apocalyptic number.

1123122203 is a deficient number, since it is larger than the sum of its proper divisors (190296805).

1123122203 is an equidigital number, since it uses as much as digits as its factorization.

1123122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731353.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1123122203 is about 33513.0154268457. The cubic root of 1123122203 is about 1039.4629262810.

Adding to 1123122203 its reverse (3022213211), we get a palindrome (4145335414).

The spelling of 1123122203 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred three".