454644121 has 4 divisors (see below), whose sum is σ = 465733044. Its totient is φ = 443555200.

The previous prime is 454644097. The next prime is 454644137. The reversal of 454644121 is 121446454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235929600 + 218714521 = 15360^2 + 14789^2 .

It is a cyclic number.

It is not a de Polignac number, because 454644121 - 2²⁵ = 421089689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454644181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544400 + ... + 5544481.

It is an arithmetic number, because the mean of its divisors is an integer number (116433261).

Almost surely, 2^454644121 is an apocalyptic number.

454644121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

454644121 is a deficient number, since it is larger than the sum of its proper divisors (11088923).

454644121 is a wasteful number, since it uses less digits than its factorization.

454644121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088922.

The product of its digits is 15360, while the sum is 31.

The square root of 454644121 is about 21322.3854434723. The cubic root of 454644121 is about 768.9365884932.

The spelling of 454644121 in words is "four hundred fifty-four million, six hundred forty-four thousand, one hundred twenty-one".