125124225 has 12 divisors (see below), whose sum is σ = 206872176. Its totient is φ = 66732880.

The previous prime is 125124217. The next prime is 125124227. The reversal of 125124225 is 522421521.

It is not a de Polignac number, because 125124225 - 2³ = 125124217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125124195 and 125124204.

It is not an unprimeable number, because it can be changed into a prime (125124227) 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, 834087 + ... + 834236.

It is an arithmetic number, because the mean of its divisors is an integer number (17239348).

Almost surely, 2^125124225 is an apocalyptic number.

125124225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125124225 is a deficient number, since it is larger than the sum of its proper divisors (81747951).

125124225 is a wasteful number, since it uses less digits than its factorization.

125124225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668336 (or 1668331 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 125124225 is about 11185.8940188078. The cubic root of 125124225 is about 500.1655784948.

Adding to 125124225 its reverse (522421521), we get a palindrome (647545746).

The spelling of 125124225 in words is "one hundred twenty-five million, one hundred twenty-four thousand, two hundred twenty-five".