5242130121 has 8 divisors (see below), whose sum is σ = 6990397344. Its totient is φ = 3494308160.

The previous prime is 5242130111. The next prime is 5242130143. The reversal of 5242130121 is 1210312425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5242130121 is a prime.

It is a super-3 number, since 3×5242130121³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5242130111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82800 + ... + 131681.

It is an arithmetic number, because the mean of its divisors is an integer number (873799668).

Almost surely, 2^5242130121 is an apocalyptic number.

It is an amenable number.

5242130121 is a deficient number, since it is larger than the sum of its proper divisors (1748267223).

5242130121 is a wasteful number, since it uses less digits than its factorization.

5242130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222631.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5242130121 is about 72402.5560391344. The cubic root of 5242130121 is about 1737.1444465845.

Adding to 5242130121 its reverse (1210312425), we get a palindrome (6452442546).

The spelling of 5242130121 in words is "five billion, two hundred forty-two million, one hundred thirty thousand, one hundred twenty-one".