101203 has 2 divisors, whose sum is σ = 101204. Its totient is φ = 101202.

The previous prime is 101197. The next prime is 101207. The reversal of 101203 is 302101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101203 is a prime.

It is not a weakly prime, because it can be changed into another prime (101207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601 + 50602.

It is an arithmetic number, because the mean of its divisors is an integer number (50602).

2¹⁰¹²⁰³ is an apocalyptic number.

101203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101203 is an equidigital number, since it uses as much as digits as its factorization.

101203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 101203 is about 318.1241895864. The cubic root of 101203 is about 46.6012746248.

Adding to 101203 its reverse (302101), we get a palindrome (403304).

It can be divided in two parts, 101 and 203, that multiplied together give a triangular number (20503 = T₂₀₂).

The spelling of 101203 in words is "one hundred one thousand, two hundred three", and thus it is an iban number.