43334121 has 4 divisors (see below), whose sum is σ = 57778832. Its totient is φ = 28889412.

The previous prime is 43334099. The next prime is 43334167. The reversal of 43334121 is 12143334.

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 not a de Polignac number, because 43334121 - 2²¹ = 41236969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43334191) 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, 7222351 + ... + 7222356.

It is an arithmetic number, because the mean of its divisors is an integer number (14444708).

Almost surely, 2^43334121 is an apocalyptic number.

It is an amenable number.

43334121 is a deficient number, since it is larger than the sum of its proper divisors (14444711).

43334121 is a wasteful number, since it uses less digits than its factorization.

43334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444710.

The product of its digits is 864, while the sum is 21.

The square root of 43334121 is about 6582.8657133501. The cubic root of 43334121 is about 351.2448758345.

Adding to 43334121 its reverse (12143334), we get a palindrome (55477455).

The spelling of 43334121 in words is "forty-three million, three hundred thirty-four thousand, one hundred twenty-one".