125851825 has 12 divisors (see below), whose sum is σ = 170243568. Its totient is φ = 91528400.

The previous prime is 125851813. The next prime is 125851849. The reversal of 125851825 is 528158521.

It is not a de Polignac number, because 125851825 - 2¹⁷ = 125720753 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 228547 + ... + 229096.

It is an arithmetic number, because the mean of its divisors is an integer number (14186964).

Almost surely, 2^125851825 is an apocalyptic number.

It is an amenable number.

125851825 is a deficient number, since it is larger than the sum of its proper divisors (44391743).

125851825 is a wasteful number, since it uses less digits than its factorization.

125851825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457664 (or 457659 counting only the distinct ones).

The product of its digits is 32000, while the sum is 37.

The square root of 125851825 is about 11218.3699796361. The cubic root of 125851825 is about 501.1331964580.

The spelling of 125851825 in words is "one hundred twenty-five million, eight hundred fifty-one thousand, eight hundred twenty-five".