1200200143 has 4 divisors (see below), whose sum is σ = 1200502648. Its totient is φ = 1199897640.

The previous prime is 1200200137. The next prime is 1200200149. The reversal of 1200200143 is 3410020021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1200200137) and next prime (1200200149).

It is a cyclic number.

It is not a de Polignac number, because 1200200143 - 2²⁹ = 663329231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200200149) 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 3 ways as a sum of consecutive naturals, for example, 145221 + ... + 153262.

It is an arithmetic number, because the mean of its divisors is an integer number (300125662).

Almost surely, 2^1200200143 is an apocalyptic number.

1200200143 is a deficient number, since it is larger than the sum of its proper divisors (302505).

1200200143 is an equidigital number, since it uses as much as digits as its factorization.

1200200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302504.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1200200143 is about 34643.9048463074. The cubic root of 1200200143 is about 1062.7176446967.

Adding to 1200200143 its reverse (3410020021), we get a palindrome (4610220164).

The spelling of 1200200143 in words is "one billion, two hundred million, two hundred thousand, one hundred forty-three".