124242444 has 96 divisors (see below), whose sum is σ = 341913600. Its totient is φ = 38905920.

The previous prime is 124242439. The next prime is 124242457. The reversal of 124242444 is 444242421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391774 + ... + 392090.

It is an arithmetic number, because the mean of its divisors is an integer number (3561600).

Almost surely, 2^124242444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124242444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170956800).

124242444 is an abundant number, since it is smaller than the sum of its proper divisors (217671156).

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

124242444 is a wasteful number, since it uses less digits than its factorization.

124242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 532 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 124242444 is about 11146.4094667296. The cubic root of 124242444 is about 498.9878779336.

Adding to 124242444 its reverse (444242421), we get a palindrome (568484865).

The spelling of 124242444 in words is "one hundred twenty-four million, two hundred forty-two thousand, four hundred forty-four".