1120120203 has 16 divisors (see below), whose sum is σ = 1534883840.
Its totient is φ = 726078816.
The previous prime is 1120120187. The next prime is 1120120229. The reversal of 1120120203 is 3020210211.
It is not a de Polignac number, because 1120120203 - 24 = 1120120187 is a prime.
It is a super-2 number, since 2×11201202032 = 2509338538337522418, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1120121203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246276 + ... + 250782.
It is an arithmetic number, because the mean of its divisors is an integer number (95930240).
Almost surely, 21120120203 is an apocalyptic number.
1120120203 is a deficient number, since it is larger than the sum of its proper divisors (414763637).
1120120203 is a wasteful number, since it uses less digits than its factorization.
1120120203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6786.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1120120203 is about 33468.1968889870.
The cubic root of 1120120203 is about 1038.5359710274.
Adding to 1120120203 its reverse (3020210211), we get a palindrome (4140330414).
The spelling of 1120120203 in words is "one billion, one hundred twenty million, one hundred twenty thousand, two hundred three".