120000203 has 2 divisors, whose sum is σ = 120000204. Its totient is φ = 120000202.

The previous prime is 120000197. The next prime is 120000217. The reversal of 120000203 is 302000021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120000203 - 2¹⁶ = 119934667 is a prime.

It is not a weakly prime, because it can be changed into another prime (120000233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000101 + 60000102.

It is an arithmetic number, because the mean of its divisors is an integer number (60000102).

Almost surely, 2^120000203 is an apocalyptic number.

120000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000203 is an equidigital number, since it uses as much as digits as its factorization.

120000203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 120000203 is about 10954.4604157393. The cubic root of 120000203 is about 493.2426929999.

Adding to 120000203 its reverse (302000021), we get a palindrome (422000224).

The spelling of 120000203 in words is "one hundred twenty million, two hundred three", and thus it is an aban number.