125734543 has 16 divisors (see below), whose sum is σ = 143557632. Its totient is φ = 109080000.

The previous prime is 125734463. The next prime is 125734561. The reversal of 125734543 is 345437521.

It is a cyclic number.

It is not a de Polignac number, because 125734543 - 2¹³ = 125726351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125734499 and 125734508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125734043) 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, 22368 + ... + 27418.

It is an arithmetic number, because the mean of its divisors is an integer number (8972352).

Almost surely, 2^125734543 is an apocalyptic number.

125734543 is a deficient number, since it is larger than the sum of its proper divisors (17823089).

125734543 is a wasteful number, since it uses less digits than its factorization.

125734543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its digits is 50400, while the sum is 34.

The square root of 125734543 is about 11213.1415312570. The cubic root of 125734543 is about 500.9774784930.

The spelling of 125734543 in words is "one hundred twenty-five million, seven hundred thirty-four thousand, five hundred forty-three".