125340125 has 8 divisors (see below), whose sum is σ = 156424632. Its totient is φ = 100272000.

The previous prime is 125340107. The next prime is 125340191. The reversal of 125340125 is 521043521.

It can be written as a sum of positive squares in 4 ways, for example, as 9174841 + 116165284 = 3029^2 + 10778^2 .

It is not a de Polignac number, because 125340125 - 2¹⁰ = 125339101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 125340125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501236 + ... + 501485.

It is an arithmetic number, because the mean of its divisors is an integer number (19553079).

Almost surely, 2^125340125 is an apocalyptic number.

It is an amenable number.

125340125 is a deficient number, since it is larger than the sum of its proper divisors (31084507).

125340125 is an equidigital number, since it uses as much as digits as its factorization.

125340125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002736 (or 1002726 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125340125 is about 11195.5404067870. The cubic root of 125340125 is about 500.4530892962.

Adding to 125340125 its reverse (521043521), we get a palindrome (646383646).

The spelling of 125340125 in words is "one hundred twenty-five million, three hundred forty thousand, one hundred twenty-five".