125887559 has 24 divisors (see below), whose sum is σ = 156837888. Its totient is φ = 98865360.

The previous prime is 125887547. The next prime is 125887571. The reversal of 125887559 is 955788521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125887547) and next prime (125887571).

It is not a de Polignac number, because 125887559 - 2⁴ = 125887543 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 (125887529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77534 + ... + 79140.

It is an arithmetic number, because the mean of its divisors is an integer number (6534912).

Almost surely, 2^125887559 is an apocalyptic number.

125887559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125887559 is a deficient number, since it is larger than the sum of its proper divisors (30950329).

125887559 is a wasteful number, since it uses less digits than its factorization.

125887559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1664 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 50.

The square root of 125887559 is about 11219.9625222190. The cubic root of 125887559 is about 501.1806220689.

The spelling of 125887559 in words is "one hundred twenty-five million, eight hundred eighty-seven thousand, five hundred fifty-nine".