5131121241 has 8 divisors (see below), whose sum is σ = 6848083840. Its totient is φ = 3417453072.

The previous prime is 5131121231. The next prime is 5131121251. The reversal of 5131121241 is 1421211315.

5131121241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5131121231) and next prime (5131121251).

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

It is not a de Polignac number, because 5131121241 - 2¹¹ = 5131119193 is a prime.

It is a super-3 number, since 3×5131121241³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5131121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819970 + ... + 826203.

It is an arithmetic number, because the mean of its divisors is an integer number (856010480).

Almost surely, 2^5131121241 is an apocalyptic number.

It is an amenable number.

5131121241 is a deficient number, since it is larger than the sum of its proper divisors (1716962599).

5131121241 is a wasteful number, since it uses less digits than its factorization.

5131121241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647215.

The product of its digits is 240, while the sum is 21.

The square root of 5131121241 is about 71631.8451598170. The cubic root of 5131121241 is about 1724.7947655850.

Adding to 5131121241 its reverse (1421211315), we get a palindrome (6552332556).

The spelling of 5131121241 in words is "five billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred forty-one".