1230122203 has 4 divisors (see below), whose sum is σ = 1272540240. Its totient is φ = 1187704168.

The previous prime is 1230122177. The next prime is 1230122207. The reversal of 1230122203 is 3022210321.

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 1230122203 - 2¹⁷ = 1229991131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230122207) 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, 21208975 + ... + 21209032.

It is an arithmetic number, because the mean of its divisors is an integer number (318135060).

Almost surely, 2^1230122203 is an apocalyptic number.

1230122203 is a deficient number, since it is larger than the sum of its proper divisors (42418037).

1230122203 is an equidigital number, since it uses as much as digits as its factorization.

1230122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42418036.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230122203 is about 35073.0979954723. The cubic root of 1230122203 is about 1071.4767518050.

Adding to 1230122203 its reverse (3022210321), we get a palindrome (4252332524).

The spelling of 1230122203 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, two hundred three".