125126525 has 12 divisors (see below), whose sum is σ = 155407092. Its totient is φ = 99939840.

The previous prime is 125126501. The next prime is 125126527. The reversal of 125126525 is 525621521.

It can be written as a sum of positive squares in 6 ways, for example, as 89401 + 125037124 = 299^2 + 11182^2 .

It is not a de Polignac number, because 125126525 - 2¹⁶ = 125060989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125126527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13229 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (12950591).

Almost surely, 2^125126525 is an apocalyptic number.

It is an amenable number.

125126525 is a deficient number, since it is larger than the sum of its proper divisors (30280567).

125126525 is an equidigital number, since it uses as much as digits as its factorization.

125126525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080 (or 8075 counting only the distinct ones).

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

The square root of 125126525 is about 11185.9968263897. The cubic root of 125126525 is about 500.1686431126.

The spelling of 125126525 in words is "one hundred twenty-five million, one hundred twenty-six thousand, five hundred twenty-five".