405381122 has 8 divisors (see below), whose sum is σ = 608489472. Its totient is φ = 202551300.

The previous prime is 405381107. The next prime is 405381127. The reversal of 405381122 is 221183504.

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 = 405381091 and 405381100.

It is not an unprimeable number, because it can be changed into a prime (405381127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65954 + ... + 71837.

It is an arithmetic number, because the mean of its divisors is an integer number (76061184).

Almost surely, 2^405381122 is an apocalyptic number.

405381122 is a deficient number, since it is larger than the sum of its proper divisors (203108350).

405381122 is a wasteful number, since it uses less digits than its factorization.

405381122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139264.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 405381122 is about 20134.0786230709. The cubic root of 405381122 is about 740.0956304461.

The spelling of 405381122 in words is "four hundred five million, three hundred eighty-one thousand, one hundred twenty-two".