5247121200 has 120 divisors (see below), whose sum is σ = 16864212288. Its totient is φ = 1394576640.

The previous prime is 5247121199. The next prime is 5247121223. The reversal of 5247121200 is 21217425.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×5247121200³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361279 + ... + 375521.

Almost surely, 2^5247121200 is an apocalyptic number.

5247121200 is a gapful number since it is divisible by the number (50) 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 5247121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8432106144).

5247121200 is an abundant number, since it is smaller than the sum of its proper divisors (11617091088).

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

5247121200 is a wasteful number, since it uses less digits than its factorization.

5247121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14571 (or 14560 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 5247121200 is about 72437.0153995870. The cubic root of 5247121200 is about 1737.6955886301.

Adding to 5247121200 its reverse (21217425), we get a palindrome (5268338625).

The spelling of 5247121200 in words is "five billion, two hundred forty-seven million, one hundred twenty-one thousand, two hundred".