1206012103 has 2 divisors, whose sum is σ = 1206012104. Its totient is φ = 1206012102.

The previous prime is 1206012091. The next prime is 1206012121. The reversal of 1206012103 is 3012106021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1206012103 - 2¹⁷ = 1205881031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206012503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603006051 + 603006052.

It is an arithmetic number, because the mean of its divisors is an integer number (603006052).

Almost surely, 2^1206012103 is an apocalyptic number.

1206012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206012103 is an equidigital number, since it uses as much as digits as its factorization.

1206012103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1206012103 is about 34727.6849645927. The cubic root of 1206012103 is about 1064.4302838687.

Adding to 1206012103 its reverse (3012106021), we get a palindrome (4218118124).

The spelling of 1206012103 in words is "one billion, two hundred six million, twelve thousand, one hundred three".