125763143 has 4 divisors (see below), whose sum is σ = 137196168. Its totient is φ = 114330120.

The previous prime is 125763137. The next prime is 125763167. The reversal of 125763143 is 341367521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341367521 = 11 ⋅31033411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125763143 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 (125763133) 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, 5716496 + ... + 5716517.

It is an arithmetic number, because the mean of its divisors is an integer number (34299042).

Almost surely, 2^125763143 is an apocalyptic number.

125763143 is a deficient number, since it is larger than the sum of its proper divisors (11433025).

125763143 is a wasteful number, since it uses less digits than its factorization.

125763143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433024.

The product of its digits is 15120, while the sum is 32.

The square root of 125763143 is about 11214.4167480971. The cubic root of 125763143 is about 501.0154602847.

The spelling of 125763143 in words is "one hundred twenty-five million, seven hundred sixty-three thousand, one hundred forty-three".