1303120103 has 2 divisors, whose sum is σ = 1303120104. Its totient is φ = 1303120102.

The previous prime is 1303120087. The next prime is 1303120121. The reversal of 1303120103 is 3010213031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303120103 - 2⁴ = 1303120087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303129103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560051 + 651560052.

It is an arithmetic number, because the mean of its divisors is an integer number (651560052).

Almost surely, 2^1303120103 is an apocalyptic number.

1303120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303120103 is an equidigital number, since it uses as much as digits as its factorization.

1303120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1303120103 is about 36098.7548677236. The cubic root of 1303120103 is about 1092.2653285839.

Adding to 1303120103 its reverse (3010213031), we get a palindrome (4313333134).

The spelling of 1303120103 in words is "one billion, three hundred three million, one hundred twenty thousand, one hundred three".