125905075 has 24 divisors (see below), whose sum is σ = 160913808. Its totient is φ = 97668480.

The previous prime is 125905067. The next prime is 125905079. The reversal of 125905075 is 570509521.

It is not a de Polignac number, because 125905075 - 2³ = 125905067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125905075.

It is not an unprimeable number, because it can be changed into a prime (125905079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185637 + ... + 186313.

It is an arithmetic number, because the mean of its divisors is an integer number (6704742).

Almost surely, 2^125905075 is an apocalyptic number.

125905075 is a deficient number, since it is larger than the sum of its proper divisors (35008733).

125905075 is a wasteful number, since it uses less digits than its factorization.

125905075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 125905075 is about 11220.7430680860. The cubic root of 125905075 is about 501.2038657548.

The spelling of 125905075 in words is "one hundred twenty-five million, nine hundred five thousand, seventy-five".