1320012103 has 2 divisors, whose sum is σ = 1320012104. Its totient is φ = 1320012102.

The previous prime is 1320012101. The next prime is 1320012119. The reversal of 1320012103 is 3012100231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320012103 - 2¹ = 1320012101 is a prime.

Together with 1320012101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320012101) 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, 660006051 + 660006052.

It is an arithmetic number, because the mean of its divisors is an integer number (660006052).

Almost surely, 2^1320012103 is an apocalyptic number.

1320012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320012103 is an equidigital number, since it uses as much as digits as its factorization.

1320012103 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 13.

The square root of 1320012103 is about 36331.9708108437. The cubic root of 1320012103 is about 1096.9646631335.

Adding to 1320012103 its reverse (3012100231), we get a palindrome (4332112334).

The spelling of 1320012103 in words is "one billion, three hundred twenty million, twelve thousand, one hundred three".