125435587 has 12 divisors (see below), whose sum is σ = 135977376. Its totient is φ = 115609680.

The previous prime is 125435573. The next prime is 125435603. The reversal of 125435587 is 785534521.

It is not a de Polignac number, because 125435587 - 2¹⁵ = 125402819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125436587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8662 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (11331448).

Almost surely, 2^125435587 is an apocalyptic number.

125435587 is a deficient number, since it is larger than the sum of its proper divisors (10541789).

125435587 is an equidigital number, since it uses as much as digits as its factorization.

125435587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466 (or 9447 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 125435587 is about 11199.8029893387. The cubic root of 125435587 is about 500.5801093526.

The spelling of 125435587 in words is "one hundred twenty-five million, four hundred thirty-five thousand, five hundred eighty-seven".