404124130 has 16 divisors (see below), whose sum is σ = 731445624. Its totient is φ = 160755840.

The previous prime is 404124121. The next prime is 404124137. The reversal of 404124130 is 31421404.

It can be written as a sum of positive squares in 4 ways, for example, as 288626121 + 115498009 = 16989^2 + 10747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404124098 and 404124107.

It is not an unprimeable number, because it can be changed into a prime (404124137) 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, 109827 + ... + 113446.

Almost surely, 2^404124130 is an apocalyptic number.

404124130 is a deficient number, since it is larger than the sum of its proper divisors (327321494).

404124130 is a wasteful number, since it uses less digits than its factorization.

404124130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223461.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 404124130 is about 20102.8388542514. The cubic root of 404124130 is about 739.3298839772.

Adding to 404124130 its reverse (31421404), we get a palindrome (435545534).

The spelling of 404124130 in words is "four hundred four million, one hundred twenty-four thousand, one hundred thirty".