406122 has 16 divisors (see below), whose sum is σ = 820800. Its totient is φ = 133952.

The previous prime is 406117. The next prime is 406123. The reversal of 406122 is 221604.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 406122.

It is not an unprimeable number, because it can be changed into a prime (406123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2⁴⁰⁶¹²² is an apocalyptic number.

406122 is an abundant number, since it is smaller than the sum of its proper divisors (414678).

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

406122 is a wasteful number, since it uses less digits than its factorization.

406122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 406122 is about 637.2770198273. The cubic root of 406122 is about 74.0546224419.

Adding to 406122 its reverse (221604), we get a palindrome (627726).

It can be divided in two parts, 406 and 122, that added together give a triangular number (528 = T₃₂).

The spelling of 406122 in words is "four hundred six thousand, one hundred twenty-two".