1206610103 has 2 divisors, whose sum is σ = 1206610104. Its totient is φ = 1206610102.

The previous prime is 1206610099. The next prime is 1206610133. The reversal of 1206610103 is 3010166021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3010166021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206610103 - 2² = 1206610099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206610133) 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, 603305051 + 603305052.

It is an arithmetic number, because the mean of its divisors is an integer number (603305052).

Almost surely, 2^1206610103 is an apocalyptic number.

1206610103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206610103 is an equidigital number, since it uses as much as digits as its factorization.

1206610103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1206610103 is about 34736.2937430003. The cubic root of 1206610103 is about 1064.6061870596.

Adding to 1206610103 its reverse (3010166021), we get a palindrome (4216776124).

The spelling of 1206610103 in words is "one billion, two hundred six million, six hundred ten thousand, one hundred three".