125889543 has 48 divisors (see below), whose sum is σ = 205820160. Its totient is φ = 73612800.

The previous prime is 125889541. The next prime is 125889553. The reversal of 125889543 is 345988521.

125889543 is a `hidden beast` number, since 1 + 25 + 8 + 89 + 543 = 666.

It is not a de Polignac number, because 125889543 - 2¹ = 125889541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125889541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220963 + ... + 221531.

It is an arithmetic number, because the mean of its divisors is an integer number (4287920).

Almost surely, 2^125889543 is an apocalyptic number.

125889543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125889543 is a deficient number, since it is larger than the sum of its proper divisors (79930617).

125889543 is a wasteful number, since it uses less digits than its factorization.

125889543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 677 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 125889543 is about 11220.0509357133. The cubic root of 125889543 is about 501.1832549399.

The spelling of 125889543 in words is "one hundred twenty-five million, eight hundred eighty-nine thousand, five hundred forty-three".