450122 has 4 divisors (see below), whose sum is σ = 675186. Its totient is φ = 225060.

The previous prime is 450113. The next prime is 450127. The reversal of 450122 is 221054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221054 = 2 ⋅110527.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 137641 = 559^2 + 371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450097 and 450106.

It is not an unprimeable number, because it can be changed into a prime (450127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112529 + ... + 112532.

2⁴⁵⁰¹²² is an apocalyptic number.

450122 is a deficient number, since it is larger than the sum of its proper divisors (225064).

450122 is a wasteful number, since it uses less digits than its factorization.

450122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225063.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 450122 is about 670.9113205186. The cubic root of 450122 is about 76.6378677803.

Adding to 450122 its reverse (221054), we get a palindrome (671176).

The spelling of 450122 in words is "four hundred fifty thousand, one hundred twenty-two".