4243120203 has 16 divisors (see below), whose sum is σ = 6526137600. Its totient is φ = 2401978656.

The previous prime is 4243120187. The next prime is 4243120207. The reversal of 4243120203 is 3020213424.

It is not a de Polignac number, because 4243120203 - 2⁴ = 4243120187 is a prime.

It is a super-2 number, since 2×4243120203² = 36008138114213522418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4243120203.

It is not an unprimeable number, because it can be changed into a prime (4243120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941928 + ... + 946421.

It is an arithmetic number, because the mean of its divisors is an integer number (407883600).

Almost surely, 2^4243120203 is an apocalyptic number.

4243120203 is a deficient number, since it is larger than the sum of its proper divisors (2283017397).

4243120203 is a wasteful number, since it uses less digits than its factorization.

4243120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888466.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4243120203 is about 65139.2370464991. The cubic root of 4243120203 is about 1618.9313944139.

Adding to 4243120203 its reverse (3020213424), we get a palindrome (7263333627).

The spelling of 4243120203 in words is "four billion, two hundred forty-three million, one hundred twenty thousand, two hundred three".