124243425 has 18 divisors (see below), whose sum is σ = 222534182. Its totient is φ = 66263040.

The previous prime is 124243423. The next prime is 124243459. The reversal of 124243425 is 524342421.

It can be written as a sum of positive squares in 3 ways, for example, as 42810849 + 81432576 = 6543^2 + 9024^2 .

It is not a de Polignac number, because 124243425 - 2¹ = 124243423 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124243421) 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 17 ways as a sum of consecutive naturals, for example, 275872 + ... + 276321.

Almost surely, 2^124243425 is an apocalyptic number.

124243425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124243425 is a deficient number, since it is larger than the sum of its proper divisors (98290757).

124243425 is a wasteful number, since it uses less digits than its factorization.

124243425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552209 (or 552201 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 124243425 is about 11146.4534718448. The cubic root of 124243425 is about 498.9891912417.

Adding to 124243425 its reverse (524342421), we get a palindrome (648585846).

The spelling of 124243425 in words is "one hundred twenty-four million, two hundred forty-three thousand, four hundred twenty-five".