450445121 has 16 divisors (see below), whose sum is σ = 520685568. Its totient is φ = 381704400.

The previous prime is 450445111. The next prime is 450445129. The reversal of 450445121 is 121544054.

It is not a de Polignac number, because 450445121 - 2¹⁰ = 450444097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450445129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239816 + ... + 241686.

It is an arithmetic number, because the mean of its divisors is an integer number (32542848).

Almost surely, 2^450445121 is an apocalyptic number.

It is an amenable number.

450445121 is a deficient number, since it is larger than the sum of its proper divisors (70240447).

450445121 is a wasteful number, since it uses less digits than its factorization.

450445121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 450445121 is about 21223.6924450012. The cubic root of 450445121 is about 766.5620161085.

Adding to 450445121 its reverse (121544054), we get a palindrome (571989175).

The spelling of 450445121 in words is "four hundred fifty million, four hundred forty-five thousand, one hundred twenty-one".