450204122 has 4 divisors (see below), whose sum is σ = 675306186. Its totient is φ = 225102060.

The previous prime is 450204121. The next prime is 450204127. The reversal of 450204122 is 221402054.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 317516761 + 132687361 = 17819^2 + 11519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450204094 and 450204103.

It is not an unprimeable number, because it can be changed into a prime (450204121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112551029 + ... + 112551032.

Almost surely, 2^450204122 is an apocalyptic number.

450204122 is a deficient number, since it is larger than the sum of its proper divisors (225102064).

450204122 is a wasteful number, since it uses less digits than its factorization.

450204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225102063.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 450204122 is about 21218.0140918042. The cubic root of 450204122 is about 766.4252820001.

Adding to 450204122 its reverse (221402054), we get a palindrome (671606176).

The spelling of 450204122 in words is "four hundred fifty million, two hundred four thousand, one hundred twenty-two".