124841440 has 48 divisors (see below), whose sum is σ = 296055648. Its totient is φ = 49747456.

The previous prime is 124841417. The next prime is 124841443. The reversal of 124841440 is 44148421.

It is a junction number, because it is equal to n+sod(n) for n = 124841399 and 124841408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124841443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45549 + ... + 48211.

It is an arithmetic number, because the mean of its divisors is an integer number (6167826).

Almost surely, 2^124841440 is an apocalyptic number.

124841440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124841440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148027824).

124841440 is an abundant number, since it is smaller than the sum of its proper divisors (171214208).

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

124841440 is a wasteful number, since it uses less digits than its factorization.

124841440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 124841440 is about 11173.2466185975. The cubic root of 124841440 is about 499.7884972124.

Adding to 124841440 its reverse (44148421), we get a palindrome (168989861).

It can be divided in two parts, 12484 and 1440, that added together give a square (13924 = 118²).

The spelling of 124841440 in words is "one hundred twenty-four million, eight hundred forty-one thousand, four hundred forty".