124420520000 has 280 divisors, whose sum is σ = 353664341184. Its totient is φ = 42529536000.

The previous prime is 124420519973. The next prime is 124420520027. The reversal of 124420520000 is 25024421.

It is a happy number.

124420520000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (124420519973) and next prime (124420520027).

It is a tau number, because it is divible by the number of its divisors (280).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 164359622 + ... + 164360378.

Almost surely, 2^124420520000 is an apocalyptic number.

124420520000 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 124420520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176832170592).

124420520000 is an abundant number, since it is smaller than the sum of its proper divisors (229243821184).

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

124420520000 is an frugal number, since it uses more digits than its factorization.

124420520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 124420520000 its reverse (25024421), we get a palindrome (124445544421).

The spelling of 124420520000 in words is "one hundred twenty-four billion, four hundred twenty million, five hundred twenty thousand".