120104203 has 4 divisors (see below), whose sum is σ = 122897368.
Its totient is φ = 117311040.
The previous prime is 120104191. The next prime is 120104207. The reversal of 120104203 is 302401021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302401021 = 13 ⋅23261617.
It is a cyclic number.
It is not a de Polignac number, because 120104203 - 221 = 118007051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120104207) 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, 1396518 + ... + 1396603.
It is an arithmetic number, because the mean of its divisors is an integer number (30724342).
Almost surely, 2120104203 is an apocalyptic number.
120104203 is a deficient number, since it is larger than the sum of its proper divisors (2793165).
120104203 is an equidigital number, since it uses as much as digits as its factorization.
120104203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2793164.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 120104203 is about 10959.2063125027.
The cubic root of 120104203 is about 493.3851439478.
Adding to 120104203 its reverse (302401021), we get a palindrome (422505224).
The spelling of 120104203 in words is "one hundred twenty million, one hundred four thousand, two hundred three".