125674543 has 12 divisors (see below), whose sum is σ = 129742240. Its totient is φ = 121713696.

The previous prime is 125674529. The next prime is 125674561. The reversal of 125674543 is 345476521.

It is not a de Polignac number, because 125674543 - 2¹⁷ = 125543471 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125674583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274771 + ... + 275227.

Almost surely, 2^125674543 is an apocalyptic number.

125674543 is a deficient number, since it is larger than the sum of its proper divisors (4067697).

125674543 is an frugal number, since it uses more digits than its factorization.

125674543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 595 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 125674543 is about 11210.4657797970. The cubic root of 125674543 is about 500.8977776923.

The spelling of 125674543 in words is "one hundred twenty-five million, six hundred seventy-four thousand, five hundred forty-three".