2443134121 has 4 divisors (see below), whose sum is σ = 2445010432. Its totient is φ = 2441257812.

The previous prime is 2443134101. The next prime is 2443134137. The reversal of 2443134121 is 1214313442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2443134121 - 2⁷ = 2443133993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443134101) 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, 936201 + ... + 938806.

It is an arithmetic number, because the mean of its divisors is an integer number (611252608).

Almost surely, 2^2443134121 is an apocalyptic number.

It is an amenable number.

2443134121 is a deficient number, since it is larger than the sum of its proper divisors (1876311).

2443134121 is a wasteful number, since it uses less digits than its factorization.

2443134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876310.

The product of its digits is 2304, while the sum is 25.

The square root of 2443134121 is about 49428.0701727268. The cubic root of 2443134121 is about 1346.8392669651.

Adding to 2443134121 its reverse (1214313442), we get a palindrome (3657447563).

The spelling of 2443134121 in words is "two billion, four hundred forty-three million, one hundred thirty-four thousand, one hundred twenty-one".