125041636 has 24 divisors (see below), whose sum is σ = 226409400. Its totient is φ = 60384000.

The previous prime is 125041607. The next prime is 125041661. The reversal of 125041636 is 636140521.

It can be written as a sum of positive squares in 4 ways, for example, as 38440000 + 86601636 = 6200^2 + 9306^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12790 + ... + 20338.

It is an arithmetic number, because the mean of its divisors is an integer number (9433725).

Almost surely, 2^125041636 is an apocalyptic number.

It is an amenable number.

125041636 is a deficient number, since it is larger than the sum of its proper divisors (101367764).

125041636 is a wasteful number, since it uses less digits than its factorization.

125041636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695 (or 7693 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 125041636 is about 11182.2017509970. The cubic root of 125041636 is about 500.0555085041.

The spelling of 125041636 in words is "one hundred twenty-five million, forty-one thousand, six hundred thirty-six".