406122530 has 64 divisors (see below), whose sum is σ = 859161600. Its totient is φ = 136624320.

The previous prime is 406122529. The next prime is 406122631. The reversal of 406122530 is 35221604.

It is a junction number, because it is equal to n+sod(n) for n = 406122496 and 406122505.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 87611 + ... + 92129.

It is an arithmetic number, because the mean of its divisors is an integer number (13424400).

Almost surely, 2^406122530 is an apocalyptic number.

406122530 is an abundant number, since it is smaller than the sum of its proper divisors (453039070).

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

406122530 is a wasteful number, since it uses less digits than its factorization.

406122530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 406122530 is about 20152.4819811357. The cubic root of 406122530 is about 740.5465465629.

The spelling of 406122530 in words is "four hundred six million, one hundred twenty-two thousand, five hundred thirty".