455022121 has 2 divisors, whose sum is σ = 455022122. Its totient is φ = 455022120.

The previous prime is 455022109. The next prime is 455022137. The reversal of 455022121 is 121220554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385533225 + 69488896 = 19635^2 + 8336^2 .

It is a cyclic number.

It is not a de Polignac number, because 455022121 - 2¹³ = 455013929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 455022092 and 455022101.

It is not a weakly prime, because it can be changed into another prime (455022521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227511060 + 227511061.

It is an arithmetic number, because the mean of its divisors is an integer number (227511061).

Almost surely, 2^455022121 is an apocalyptic number.

It is an amenable number.

455022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

455022121 is an equidigital number, since it uses as much as digits as its factorization.

455022121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 455022121 is about 21331.2475256371. The cubic root of 455022121 is about 769.1496324260.

Adding to 455022121 its reverse (121220554), we get a palindrome (576242675).

The spelling of 455022121 in words is "four hundred fifty-five million, twenty-two thousand, one hundred twenty-one".