4455121 has 4 divisors (see below), whose sum is σ = 4860144. Its totient is φ = 4050100.

The previous prime is 4455119. The next prime is 4455151. The reversal of 4455121 is 1215544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4455121 - 2¹ = 4455119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4455092 and 4455101.

It is not an unprimeable number, because it can be changed into a prime (4455151) 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, 202495 + ... + 202516.

It is an arithmetic number, because the mean of its divisors is an integer number (1215036).

Almost surely, 2^4455121 is an apocalyptic number.

It is an amenable number.

4455121 is a deficient number, since it is larger than the sum of its proper divisors (405023).

4455121 is a wasteful number, since it uses less digits than its factorization.

4455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405022.

The product of its digits is 800, while the sum is 22.

The square root of 4455121 is about 2110.7157553778. The cubic root of 4455121 is about 164.5456862600.

The spelling of 4455121 in words is "four million, four hundred fifty-five thousand, one hundred twenty-one".