1202140143 has 16 divisors (see below), whose sum is σ = 1792748800. Its totient is φ = 796116600.

The previous prime is 1202140111. The next prime is 1202140157. The reversal of 1202140143 is 3410412021.

It is not a de Polignac number, because 1202140143 - 2⁵ = 1202140111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202140183) 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, 143353 + ... + 151506.

It is an arithmetic number, because the mean of its divisors is an integer number (112046800).

Almost surely, 2^1202140143 is an apocalyptic number.

1202140143 is a deficient number, since it is larger than the sum of its proper divisors (590608657).

1202140143 is a wasteful number, since it uses less digits than its factorization.

1202140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295019 (or 295013 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1202140143 is about 34671.8926942271. The cubic root of 1202140143 is about 1063.2899276925.

Adding to 1202140143 its reverse (3410412021), we get a palindrome (4612552164).

The spelling of 1202140143 in words is "one billion, two hundred two million, one hundred forty thousand, one hundred forty-three".