408620122 has 16 divisors (see below), whose sum is σ = 621684000. Its totient is φ = 201403152.

The previous prime is 408620081. The next prime is 408620129. The reversal of 408620122 is 221026804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (408620129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80368 + ... + 85300.

It is an arithmetic number, because the mean of its divisors is an integer number (38855250).

Almost surely, 2^408620122 is an apocalyptic number.

408620122 is a deficient number, since it is larger than the sum of its proper divisors (213063878).

408620122 is a wasteful number, since it uses less digits than its factorization.

408620122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 408620122 is about 20214.3543552595. The cubic root of 408620122 is about 742.0615281619.

Adding to 408620122 its reverse (221026804), we get a palindrome (629646926).

The spelling of 408620122 in words is "four hundred eight million, six hundred twenty thousand, one hundred twenty-two".