441872121 has 8 divisors (see below), whose sum is σ = 597461184. Its totient is φ = 290432240.

The previous prime is 441872107. The next prime is 441872141. The reversal of 441872121 is 121278144.

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 441872121 - 2⁵ = 441872089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441872141) 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, 1037046 + ... + 1037471.

It is an arithmetic number, because the mean of its divisors is an integer number (74682648).

Almost surely, 2^441872121 is an apocalyptic number.

It is an amenable number.

441872121 is a deficient number, since it is larger than the sum of its proper divisors (155589063).

441872121 is a wasteful number, since it uses less digits than its factorization.

441872121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074591.

The product of its digits is 3584, while the sum is 30.

The square root of 441872121 is about 21020.7545297499. The cubic root of 441872121 is about 761.6676911588.

The spelling of 441872121 in words is "four hundred forty-one million, eight hundred seventy-two thousand, one hundred twenty-one".