125240125 has 16 divisors (see below), whose sum is σ = 161694000. Its totient is φ = 96734400.

The previous prime is 125240033. The next prime is 125240131. The reversal of 125240125 is 521042521.

It can be written as a sum of positive squares in 8 ways, for example, as 10771524 + 114468601 = 3282^2 + 10699^2 .

It is not a de Polignac number, because 125240125 - 2⁷ = 125239997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125240096 and 125240105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13650 + ... + 20899.

It is an arithmetic number, because the mean of its divisors is an integer number (10105875).

Almost surely, 2^125240125 is an apocalyptic number.

It is an amenable number.

125240125 is a deficient number, since it is larger than the sum of its proper divisors (36453875).

125240125 is an equidigital number, since it uses as much as digits as its factorization.

125240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593 (or 34583 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 125240125 is about 11191.0734516399. The cubic root of 125240125 is about 500.3199618718.

Adding to 125240125 its reverse (521042521), we get a palindrome (646282646).

The spelling of 125240125 in words is "one hundred twenty-five million, two hundred forty thousand, one hundred twenty-five".