125989255 has 32 divisors (see below), whose sum is σ = 178606080. Its totient is φ = 83514240.

The previous prime is 125989243. The next prime is 125989271. The reversal of 125989255 is 552989521.

It is a happy number.

It is not a de Polignac number, because 125989255 - 2¹¹ = 125987207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350766 + ... + 351124.

It is an arithmetic number, because the mean of its divisors is an integer number (5581440).

Almost surely, 2^125989255 is an apocalyptic number.

125989255 is a deficient number, since it is larger than the sum of its proper divisors (52616825).

125989255 is a wasteful number, since it uses less digits than its factorization.

125989255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 324000, while the sum is 46.

The square root of 125989255 is about 11224.4935297767. The cubic root of 125989255 is about 501.3155423278.

The spelling of 125989255 in words is "one hundred twenty-five million, nine hundred eighty-nine thousand, two hundred fifty-five".