125089543 has 2 divisors, whose sum is σ = 125089544. Its totient is φ = 125089542.

The previous prime is 125089507. The next prime is 125089577. The reversal of 125089543 is 345980521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125089543 - 2²⁵ = 91535111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125089343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62544771 + 62544772.

It is an arithmetic number, because the mean of its divisors is an integer number (62544772).

Almost surely, 2^125089543 is an apocalyptic number.

125089543 is a deficient number, since it is larger than the sum of its proper divisors (1).

125089543 is an equidigital number, since it uses as much as digits as its factorization.

125089543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 125089543 is about 11184.3436553067. The cubic root of 125089543 is about 500.1193621697.

The spelling of 125089543 in words is "one hundred twenty-five million, eighty-nine thousand, five hundred forty-three".