1202113143 has 80 divisors (see below), whose sum is σ = 2263075584. Its totient is φ = 617725440.

The previous prime is 1202113127. The next prime is 1202113151. The reversal of 1202113143 is 3413112021.

It is not a de Polignac number, because 1202113143 - 2⁴ = 1202113127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202113123) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 603996 + ... + 605982.

Almost surely, 2^1202113143 is an apocalyptic number.

1202113143 is a deficient number, since it is larger than the sum of its proper divisors (1060962441).

1202113143 is a wasteful number, since it uses less digits than its factorization.

1202113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1202113143 is about 34671.5033276609. The cubic root of 1202113143 is about 1063.2819671556.

Adding to 1202113143 its reverse (3413112021), we get a palindrome (4615225164).

The spelling of 1202113143 in words is "one billion, two hundred two million, one hundred thirteen thousand, one hundred forty-three".