120203 has 4 divisors (see below), whose sum is σ = 121968. Its totient is φ = 118440.

The previous prime is 120199. The next prime is 120209. The reversal of 120203 is 302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302021 = 59 ⋅5119.

It is a cyclic number.

It is not a de Polignac number, because 120203 - 2² = 120199 is a prime.

It is a super-3 number, since 3×120203³ = 5210353330816281, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2¹²⁰²⁰³ is an apocalyptic number.

120203 is a deficient number, since it is larger than the sum of its proper divisors (1765).

120203 is an equidigital number, since it uses as much as digits as its factorization.

120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

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

The square root of 120203 is about 346.7030429633. The cubic root of 120203 is about 49.3520392094.

Adding to 120203 its reverse (302021), we get a palindrome (422224).

It can be divided in two parts, 120 and 203, that added together give a palindrome (323).

The spelling of 120203 in words is "one hundred twenty thousand, two hundred three", and thus it is an iban number.