125585536 has 16 divisors (see below), whose sum is σ = 250190190. Its totient is φ = 62792704.

The previous prime is 125585533. The next prime is 125585587. The reversal of 125585536 is 635585521.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 41679936 = 9160^2 + 6456^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (125585533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490441 + ... + 490696.

Almost surely, 2^125585536 is an apocalyptic number.

125585536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125585536 is a deficient number, since it is larger than the sum of its proper divisors (124604654).

125585536 is an frugal number, since it uses more digits than its factorization.

125585536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981151 (or 981139 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The square root of 125585536 is about 11206.4952594466. The cubic root of 125585536 is about 500.7794987984.

The spelling of 125585536 in words is "one hundred twenty-five million, five hundred eighty-five thousand, five hundred thirty-six".