124838425 has 6 divisors (see below), whose sum is σ = 154799678. Its totient is φ = 99870720.

The previous prime is 124838419. The next prime is 124838437. The reversal of 124838425 is 524838421.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5875776 + 118962649 = 2424^2 + 10907^2 .

It is not a de Polignac number, because 124838425 - 2⁷ = 124838297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2496744 + ... + 2496793.

Almost surely, 2^124838425 is an apocalyptic number.

It is an amenable number.

124838425 is a deficient number, since it is larger than the sum of its proper divisors (29961253).

124838425 is an equidigital number, since it uses as much as digits as its factorization.

124838425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993547 (or 4993542 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 124838425 is about 11173.1116972847. Note that the first 3 decimals coincide. The cubic root of 124838425 is about 499.7844737769.

The spelling of 124838425 in words is "one hundred twenty-four million, eight hundred thirty-eight thousand, four hundred twenty-five".