125909552 has 20 divisors (see below), whose sum is σ = 244363080. Its totient is φ = 62848128.

The previous prime is 125909543. The next prime is 125909579. The reversal of 125909552 is 255909521.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3548 + ... + 16260.

It is an arithmetic number, because the mean of its divisors is an integer number (12218154).

Almost surely, 2^125909552 is an apocalyptic number.

It is an amenable number.

125909552 is a deficient number, since it is larger than the sum of its proper divisors (118453528).

125909552 is a wasteful number, since it uses less digits than its factorization.

125909552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340 (or 13334 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 125909552 is about 11220.9425629044. The cubic root of 125909552 is about 501.2098063761.

The spelling of 125909552 in words is "one hundred twenty-five million, nine hundred nine thousand, five hundred fifty-two".