5241247128 has 256 divisors, whose sum is σ = 17041920000. Its totient is φ = 1478062080.

The previous prime is 5241247103. The next prime is 5241247129. The reversal of 5241247128 is 8217421425.

5241247128 is a `hidden beast` number, since 524 + 1 + 2 + 4 + 7 + 128 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5241247092 and 5241247101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5241247129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1652328 + ... + 1655496.

It is an arithmetic number, because the mean of its divisors is an integer number (66570000).

Almost surely, 2^5241247128 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 5241247128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8520960000).

5241247128 is an abundant number, since it is smaller than the sum of its proper divisors (11800672872).

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

5241247128 is a wasteful number, since it uses less digits than its factorization.

5241247128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247 (or 3237 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5241247128 is about 72396.4579796553. The cubic root of 5241247128 is about 1737.0469052872.

The spelling of 5241247128 in words is "five billion, two hundred forty-one million, two hundred forty-seven thousand, one hundred twenty-eight".