405000122 has 8 divisors (see below), whose sum is σ = 608088000. Its totient is φ = 202304124.

The previous prime is 405000053. The next prime is 405000137. The reversal of 405000122 is 221000504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 405000097 and 405000106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95372 + ... + 99527.

It is an arithmetic number, because the mean of its divisors is an integer number (76011000).

Almost surely, 2^405000122 is an apocalyptic number.

405000122 is a deficient number, since it is larger than the sum of its proper divisors (203087878).

405000122 is a wasteful number, since it uses less digits than its factorization.

405000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195940.

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

The square root of 405000122 is about 20124.6148286122. The cubic root of 405000122 is about 739.8636965900.

Adding to 405000122 its reverse (221000504), we get a palindrome (626000626).

The spelling of 405000122 in words is "four hundred five million, one hundred twenty-two", and thus it is an aban number.