405124204 has 12 divisors (see below), whose sum is σ = 710047800. Its totient is φ = 202253408.

The previous prime is 405124201. The next prime is 405124253. The reversal of 405124204 is 402421504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (405124201) 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 3 ways as a sum of consecutive naturals, for example, 74209 + ... + 79480.

It is an arithmetic number, because the mean of its divisors is an integer number (59170650).

Almost surely, 2^405124204 is an apocalyptic number.

It is an amenable number.

405124204 is a deficient number, since it is larger than the sum of its proper divisors (304923596).

405124204 is a wasteful number, since it uses less digits than its factorization.

405124204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154352 (or 154350 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 405124204 is about 20127.6974341329. The cubic root of 405124204 is about 739.9392475082.

Adding to 405124204 its reverse (402421504), we get a palindrome (807545708).

It can be divided in two parts, 405 and 124204, that added together give a square (124609 = 353²).

The spelling of 405124204 in words is "four hundred five million, one hundred twenty-four thousand, two hundred four".