1206000203 has 2 divisors, whose sum is σ = 1206000204. Its totient is φ = 1206000202.

The previous prime is 1206000197. The next prime is 1206000217. The reversal of 1206000203 is 3020006021.

It is an a-pointer prime, because the next prime (1206000217) can be obtained adding 1206000203 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1206000203 - 2¹⁸ = 1205738059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1206000503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603000101 + 603000102.

It is an arithmetic number, because the mean of its divisors is an integer number (603000102).

Almost surely, 2^1206000203 is an apocalyptic number.

1206000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206000203 is an equidigital number, since it uses as much as digits as its factorization.

1206000203 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 14.

The square root of 1206000203 is about 34727.5136311254. The cubic root of 1206000203 is about 1064.4267828641.

Adding to 1206000203 its reverse (3020006021), we get a palindrome (4226006224).

The spelling of 1206000203 in words is "one billion, two hundred six million, two hundred three", and thus it is an aban number.