451122 has 32 divisors (see below), whose sum is σ = 1078272. Its totient is φ = 123024.

The previous prime is 451109. The next prime is 451159. The reversal of 451122 is 221154.

It is a super-2 number, since 2×451122² = 407022117768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (33696).

2⁴⁵¹¹²² is an apocalyptic number.

451122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 451122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539136).

451122 is an abundant number, since it is smaller than the sum of its proper divisors (627150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451122 is a wasteful number, since it uses less digits than its factorization.

451122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its digits is 80, while the sum is 15.

The square root of 451122 is about 671.6561620353. The cubic root of 451122 is about 76.6945792084.

Adding to 451122 its reverse (221154), we get a palindrome (672276).

The spelling of 451122 in words is "four hundred fifty-one thousand, one hundred twenty-two".