454121 has 4 divisors (see below), whose sum is σ = 480852. Its totient is φ = 427392.

The previous prime is 454109. The next prime is 454141. The reversal of 454121 is 121454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121454 = 2 ⋅60727.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 44521 = 640^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 454121 - 2¹⁸ = 191977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 26713 = 454121 / (4 + 5 + 4 + 1 + 2 + 1).

It is an alternating number because its digits alternate between even and odd.

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 454121.

It is not an unprimeable number, because it can be changed into a prime (454141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (120213).

2⁴⁵⁴¹²¹ is an apocalyptic number.

It is an amenable number.

454121 is a deficient number, since it is larger than the sum of its proper divisors (26731).

454121 is a wasteful number, since it uses less digits than its factorization.

454121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730.

The product of its digits is 160, while the sum is 17.

The square root of 454121 is about 673.8850050268. The cubic root of 454121 is about 76.8641558282.

Adding to 454121 its reverse (121454), we get a palindrome (575575).

It can be divided in two parts, 454 and 121, that added together give a palindrome (575).

The spelling of 454121 in words is "four hundred fifty-four thousand, one hundred twenty-one".