1202203143 has 12 divisors (see below), whose sum is σ = 1742699088. Its totient is φ = 798614880.

The previous prime is 1202203141. The next prime is 1202203147. The reversal of 1202203143 is 3413022021.

It is not a de Polignac number, because 1202203143 - 2¹ = 1202203141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202203141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235155 + ... + 240212.

It is an arithmetic number, because the mean of its divisors is an integer number (145224924).

Almost surely, 2^1202203143 is an apocalyptic number.

1202203143 is a deficient number, since it is larger than the sum of its proper divisors (540495945).

1202203143 is a wasteful number, since it uses less digits than its factorization.

1202203143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475654 (or 475651 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1202203143 is about 34672.8011992109. The cubic root of 1202203143 is about 1063.3085018152.

Adding to 1202203143 its reverse (3413022021), we get a palindrome (4615225164).

The spelling of 1202203143 in words is "one billion, two hundred two million, two hundred three thousand, one hundred forty-three".