5130121541 has 4 divisors (see below), whose sum is σ = 5130268332. Its totient is φ = 5129974752.

The previous prime is 5130121517. The next prime is 5130121559. The reversal of 5130121541 is 1451210315.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5048670916 + 81450625 = 71054^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130121541 - 2²⁶ = 5063012677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130121561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12665 + ... + 102081.

It is an arithmetic number, because the mean of its divisors is an integer number (1282567083).

Almost surely, 2^5130121541 is an apocalyptic number.

It is an amenable number.

5130121541 is a deficient number, since it is larger than the sum of its proper divisors (146791).

5130121541 is an equidigital number, since it uses as much as digits as its factorization.

5130121541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146790.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5130121541 is about 71624.8667782356. The cubic root of 5130121541 is about 1724.6827439794.

Adding to 5130121541 its reverse (1451210315), we get a palindrome (6581331856).

The spelling of 5130121541 in words is "five billion, one hundred thirty million, one hundred twenty-one thousand, five hundred forty-one".