4131121452 has 12 divisors (see below), whose sum is σ = 9639283416. Its totient is φ = 1377040480.

The previous prime is 4131121441. The next prime is 4131121459. The reversal of 4131121452 is 2541211314.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4131121459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172130049 + ... + 172130072.

It is an arithmetic number, because the mean of its divisors is an integer number (803273618).

Almost surely, 2^4131121452 is an apocalyptic number.

It is an amenable number.

4131121452 is an abundant number, since it is smaller than the sum of its proper divisors (5508161964).

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

4131121452 is a wasteful number, since it uses less digits than its factorization.

4131121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344260128 (or 344260126 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 4131121452 is about 64273.8006655900. The cubic root of 4131121452 is about 1604.5600968302.

Adding to 4131121452 its reverse (2541211314), we get a palindrome (6672332766).

The spelling of 4131121452 in words is "four billion, one hundred thirty-one million, one hundred twenty-one thousand, four hundred fifty-two".