1320255203 has 2 divisors, whose sum is σ = 1320255204. Its totient is φ = 1320255202.

The previous prime is 1320255193. The next prime is 1320255259. The reversal of 1320255203 is 3025520231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320255203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320245203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660127601 + 660127602.

It is an arithmetic number, because the mean of its divisors is an integer number (660127602).

Almost surely, 2^1320255203 is an apocalyptic number.

1320255203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320255203 is an equidigital number, since it uses as much as digits as its factorization.

1320255203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1320255203 is about 36335.3161951289. The cubic root of 1320255203 is about 1097.0319998244.

Adding to 1320255203 its reverse (3025520231), we get a palindrome (4345775434).

The spelling of 1320255203 in words is "one billion, three hundred twenty million, two hundred fifty-five thousand, two hundred three".