43150121 has 8 divisors (see below), whose sum is σ = 51910080. Its totient is φ = 35039088.

The previous prime is 43150111. The next prime is 43150127. The reversal of 43150121 is 12105134.

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

It is not a de Polignac number, because 43150121 - 2¹⁴ = 43133737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43150121.

It is not an unprimeable number, because it can be changed into a prime (43150127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162086 + ... + 162351.

It is an arithmetic number, because the mean of its divisors is an integer number (6488760).

Almost surely, 2^43150121 is an apocalyptic number.

It is an amenable number.

43150121 is a deficient number, since it is larger than the sum of its proper divisors (8759959).

43150121 is a wasteful number, since it uses less digits than its factorization.

43150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324463.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 43150121 is about 6568.8751700729. The cubic root of 43150121 is about 350.7470329848.

Adding to 43150121 its reverse (12105134), we get a palindrome (55255255).

The spelling of 43150121 in words is "forty-three million, one hundred fifty thousand, one hundred twenty-one".