126525125 has 8 divisors (see below), whose sum is σ = 157903512. Its totient is φ = 101220000.

The previous prime is 126525121. The next prime is 126525143. The reversal of 126525125 is 521525621.

It can be written as a sum of positive squares in 4 ways, for example, as 1934881 + 124590244 = 1391^2 + 11162^2 .

It is not a de Polignac number, because 126525125 - 2² = 126525121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126525121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505976 + ... + 506225.

It is an arithmetic number, because the mean of its divisors is an integer number (19737939).

Almost surely, 2^126525125 is an apocalyptic number.

It is an amenable number.

126525125 is a deficient number, since it is larger than the sum of its proper divisors (31378387).

126525125 is an equidigital number, since it uses as much as digits as its factorization.

126525125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012216 (or 1012206 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 126525125 is about 11248.3387662357. The cubic root of 126525125 is about 502.0252853620.

The spelling of 126525125 in words is "one hundred twenty-six million, five hundred twenty-five thousand, one hundred twenty-five".