124124145420 has 192 divisors, whose sum is σ = 384093964800. Its totient is φ = 29700311040.

The previous prime is 124124145403. The next prime is 124124145469. The reversal of 124124145420 is 24541421421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16181346 + ... + 16189014.

It is an arithmetic number, because the mean of its divisors is an integer number (2000489400).

Almost surely, 2^124124145420 is an apocalyptic number.

124124145420 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 124124145420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192046982400).

124124145420 is an abundant number, since it is smaller than the sum of its proper divisors (259969819380).

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

124124145420 is a wasteful number, since it uses less digits than its factorization.

124124145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008 (or 8006 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 124124145420 its reverse (24541421421), we get a palindrome (148665566841).

The spelling of 124124145420 in words is "one hundred twenty-four billion, one hundred twenty-four million, one hundred forty-five thousand, four hundred twenty".