125244125 has 8 divisors (see below), whose sum is σ = 156304824. Its totient is φ = 100195200.

The previous prime is 125244121. The next prime is 125244139. The reversal of 125244125 is 521442521.

It can be written as a sum of positive squares in 4 ways, for example, as 37222201 + 88021924 = 6101^2 + 9382^2 .

It is not a de Polignac number, because 125244125 - 2² = 125244121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125244094 and 125244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125244121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500852 + ... + 501101.

It is an arithmetic number, because the mean of its divisors is an integer number (19538103).

Almost surely, 2^125244125 is an apocalyptic number.

It is an amenable number.

125244125 is a deficient number, since it is larger than the sum of its proper divisors (31060699).

125244125 is an equidigital number, since it uses as much as digits as its factorization.

125244125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001968 (or 1001958 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 125244125 is about 11191.2521640789. The cubic root of 125244125 is about 500.3252883291.

Adding to 125244125 its reverse (521442521), we get a palindrome (646686646).

The spelling of 125244125 in words is "one hundred twenty-five million, two hundred forty-four thousand, one hundred twenty-five".