1123210201 has 2 divisors, whose sum is σ = 1123210202. Its totient is φ = 1123210200.

The previous prime is 1123210139. The next prime is 1123210217. The reversal of 1123210201 is 1020123211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961310025 + 161900176 = 31005^2 + 12724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123210201 - 2¹¹ = 1123208153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123210241) 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 as a sum of consecutive naturals, namely, 561605100 + 561605101.

It is an arithmetic number, because the mean of its divisors is an integer number (561605101).

Almost surely, 2^1123210201 is an apocalyptic number.

It is an amenable number.

1123210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123210201 is an equidigital number, since it uses as much as digits as its factorization.

1123210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1123210201 is about 33514.3282940297. The cubic root of 1123210201 is about 1039.4900733031.

Adding to 1123210201 its reverse (1020123211), we get a palindrome (2143333412).

The spelling of 1123210201 in words is "one billion, one hundred twenty-three million, two hundred ten thousand, two hundred one".