125867559 has 8 divisors (see below), whose sum is σ = 167875312. Its totient is φ = 83885760.

The previous prime is 125867557. The next prime is 125867587. The reversal of 125867559 is 955768521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125867559 - 2¹ = 125867557 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 (125867557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14979 + ... + 21819.

It is an arithmetic number, because the mean of its divisors is an integer number (20984414).

Almost surely, 2^125867559 is an apocalyptic number.

125867559 is a deficient number, since it is larger than the sum of its proper divisors (42007753).

125867559 is an equidigital number, since it uses as much as digits as its factorization.

125867559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977.

The product of its digits is 756000, while the sum is 48.

The square root of 125867559 is about 11219.0712182426. The cubic root of 125867559 is about 501.1540794849.

The spelling of 125867559 in words is "one hundred twenty-five million, eight hundred sixty-seven thousand, five hundred fifty-nine".