120101203 has 2 divisors, whose sum is σ = 120101204. Its totient is φ = 120101202.

The previous prime is 120101183. The next prime is 120101227. The reversal of 120101203 is 302101021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120101203.

It is not a weakly prime, because it can be changed into another prime (120101263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050601 + 60050602.

It is an arithmetic number, because the mean of its divisors is an integer number (60050602).

Almost surely, 2^120101203 is an apocalyptic number.

120101203 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101203 is an equidigital number, since it uses as much as digits as its factorization.

120101203 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 10.

The square root of 120101203 is about 10959.0694404224. The cubic root of 120101203 is about 493.3810359380.

Adding to 120101203 its reverse (302101021), we get a palindrome (422202224).

The spelling of 120101203 in words is "one hundred twenty million, one hundred one thousand, two hundred three".