1306103 has 2 divisors, whose sum is σ = 1306104. Its totient is φ = 1306102.

The previous prime is 1306099. The next prime is 1306121. The reversal of 1306103 is 3016031.

It is a weak prime.

It is an emirp because it is prime and its reverse (3016031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1306103 - 2² = 1306099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653051 + 653052.

It is an arithmetic number, because the mean of its divisors is an integer number (653052).

2^1306103 is an apocalyptic number.

1306103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306103 is an equidigital number, since it uses as much as digits as its factorization.

1306103 is an evil number, because the sum of its binary digits is even.

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

The square root of 1306103 is about 1142.8486338969. The cubic root of 1306103 is about 109.3098107321.

The spelling of 1306103 in words is "one million, three hundred six thousand, one hundred three".