124384638 has 48 divisors (see below), whose sum is σ = 296144640. Its totient is φ = 34708464.

The previous prime is 124384609. The next prime is 124384643. The reversal of 124384638 is 836483421.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124384596 and 124384605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7723 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (6169680).

Almost surely, 2^124384638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124384638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148072320).

124384638 is an abundant number, since it is smaller than the sum of its proper divisors (171760002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124384638 is a wasteful number, since it uses less digits than its factorization.

124384638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901 (or 9894 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 124384638 is about 11152.7861093092. The cubic root of 124384638 is about 499.1781672553.

The spelling of 124384638 in words is "one hundred twenty-four million, three hundred eighty-four thousand, six hundred thirty-eight".