2125344143 has 4 divisors (see below), whose sum is σ = 2288832168. Its totient is φ = 1961856120.

The previous prime is 2125344139. The next prime is 2125344209. The reversal of 2125344143 is 3414435212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125344143 - 2² = 2125344139 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 (2125344943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81743993 + ... + 81744018.

It is an arithmetic number, because the mean of its divisors is an integer number (572208042).

Almost surely, 2^2125344143 is an apocalyptic number.

2125344143 is a deficient number, since it is larger than the sum of its proper divisors (163488025).

2125344143 is a wasteful number, since it uses less digits than its factorization.

2125344143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163488024.

The product of its digits is 11520, while the sum is 29.

The square root of 2125344143 is about 46101.4548902743. The cubic root of 2125344143 is about 1285.7101946072.

Adding to 2125344143 its reverse (3414435212), we get a palindrome (5539779355).

The spelling of 2125344143 in words is "two billion, one hundred twenty-five million, three hundred forty-four thousand, one hundred forty-three".