43255121 has 8 divisors (see below), whose sum is σ = 53237184. Its totient is φ = 34223760.

The previous prime is 43255103. The next prime is 43255129. The reversal of 43255121 is 12155234.

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

It is a cyclic number.

It is not a de Polignac number, because 43255121 - 2²² = 39060817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43255129) 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, 237575 + ... + 237756.

It is an arithmetic number, because the mean of its divisors is an integer number (6654648).

Almost surely, 2^43255121 is an apocalyptic number.

It is an amenable number.

43255121 is a deficient number, since it is larger than the sum of its proper divisors (9982063).

43255121 is a wasteful number, since it uses less digits than its factorization.

43255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475351.

The product of its digits is 1200, while the sum is 23.

The square root of 43255121 is about 6576.8625498789. The cubic root of 43255121 is about 351.0313010671.

The spelling of 43255121 in words is "forty-three million, two hundred fifty-five thousand, one hundred twenty-one".