5230121000 has 128 divisors (see below), whose sum is σ = 13635367200. Its totient is φ = 1864396800.

The previous prime is 5230120999. The next prime is 5230121053. The reversal of 5230121000 is 1210325.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 845297476 + 4384823524 = 29074^2 + 66218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370064 + ... + 383936.

Almost surely, 2^5230121000 is an apocalyptic number.

5230121000 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 5230121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6817683600).

5230121000 is an abundant number, since it is smaller than the sum of its proper divisors (8405246200).

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

5230121000 is a wasteful number, since it uses less digits than its factorization.

5230121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13922 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 5230121000 is about 72319.5754965417. The cubic root of 5230121000 is about 1735.8168991833.

Adding to 5230121000 its reverse (1210325), we get a palindrome (5231331325).

The spelling of 5230121000 in words is "five billion, two hundred thirty million, one hundred twenty-one thousand".