124104440 has 64 divisors (see below), whose sum is σ = 287400960. Its totient is φ = 48208000.

The previous prime is 124104413. The next prime is 124104473. The reversal of 124104440 is 44401421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 471749 + ... + 472011.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^124104440 is an apocalyptic number.

124104440 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 124104440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143700480).

124104440 is an abundant number, since it is smaller than the sum of its proper divisors (163296520).

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

124104440 is a wasteful number, since it uses less digits than its factorization.

124104440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 124104440 is about 11140.2172330705. The cubic root of 124104440 is about 498.8030569411.

Adding to 124104440 its reverse (44401421), we get a palindrome (168505861).

The spelling of 124104440 in words is "one hundred twenty-four million, one hundred four thousand, four hundred forty".