124425440 has 48 divisors (see below), whose sum is σ = 294921648. Its totient is φ = 49606656.

The previous prime is 124425437. The next prime is 124425443. The reversal of 124425440 is 44524421.

It is an interprime number because it is at equal distance from previous prime (124425437) and next prime (124425443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124425443) 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 7 ways as a sum of consecutive naturals, for example, 55379 + ... + 57581.

It is an arithmetic number, because the mean of its divisors is an integer number (6144201).

Almost surely, 2^124425440 is an apocalyptic number.

124425440 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 124425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147460824).

124425440 is an abundant number, since it is smaller than the sum of its proper divisors (170496208).

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

124425440 is a wasteful number, since it uses less digits than its factorization.

124425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 124425440 is about 11154.6151883424. The cubic root of 124425440 is about 499.2327432363.

Adding to 124425440 its reverse (44524421), we get a palindrome (168949861).

The spelling of 124425440 in words is "one hundred twenty-four million, four hundred twenty-five thousand, four hundred forty".