124306225 has 12 divisors (see below), whose sum is σ = 156253516. Its totient is φ = 98081280.

The previous prime is 124306223. The next prime is 124306229. The reversal of 124306225 is 522603421.

It can be written as a sum of positive squares in 6 ways, for example, as 6105841 + 118200384 = 2471^2 + 10872^2 .

It is not a de Polignac number, because 124306225 - 2¹ = 124306223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124306225.

It is not an unprimeable number, because it can be changed into a prime (124306223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32232 + ... + 35881.

Almost surely, 2^124306225 is an apocalyptic number.

It is an amenable number.

124306225 is a deficient number, since it is larger than the sum of its proper divisors (31947291).

124306225 is an equidigital number, since it uses as much as digits as its factorization.

124306225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68196 (or 68191 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 124306225 is about 11149.2701554855. The cubic root of 124306225 is about 499.0732499968.

Adding to 124306225 its reverse (522603421), we get a palindrome (646909646).

The spelling of 124306225 in words is "one hundred twenty-four million, three hundred six thousand, two hundred twenty-five".