1130121203 has 2 divisors, whose sum is σ = 1130121204. Its totient is φ = 1130121202.

The previous prime is 1130121193. The next prime is 1130121233. The reversal of 1130121203 is 3021210311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130121203 - 2⁸ = 1130120947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130121233) 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, 565060601 + 565060602.

It is an arithmetic number, because the mean of its divisors is an integer number (565060602).

Almost surely, 2^1130121203 is an apocalyptic number.

1130121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130121203 is an equidigital number, since it uses as much as digits as its factorization.

1130121203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1130121203 is about 33617.2753655022. The cubic root of 1130121203 is about 1041.6176757020.

Adding to 1130121203 its reverse (3021210311), we get a palindrome (4151331514).

The spelling of 1130121203 in words is "one billion, one hundred thirty million, one hundred twenty-one thousand, two hundred three".