124420000 has 60 divisors (see below), whose sum is σ = 306141066. Its totient is φ = 49760000.

The previous prime is 124419907. The next prime is 124420003. The reversal of 124420000 is 24421.

It can be written as a sum of positive squares in 5 ways, for example, as 4210704 + 120209296 = 2052^2 + 10964^2 .

It is not an unprimeable number, because it can be changed into a prime (124420003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16890 + ... + 23110.

Almost surely, 2^124420000 is an apocalyptic number.

124420000 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 124420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153070533).

124420000 is an abundant number, since it is smaller than the sum of its proper divisors (181721066).

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

124420000 is an frugal number, since it uses more digits than its factorization.

124420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251 (or 6228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 124420000 is about 11154.3713404208. The cubic root of 124420000 is about 499.2254674850.

Adding to 124420000 its reverse (24421), we get a palindrome (124444421).

The spelling of 124420000 in words is "one hundred twenty-four million, four hundred twenty thousand".