405234124 has 12 divisors (see below), whose sum is σ = 709380448. Its totient is φ = 202554000.

The previous prime is 405234091. The next prime is 405234127. The reversal of 405234124 is 421432504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (405234127) 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, 574 + ... + 28474.

Almost surely, 2^405234124 is an apocalyptic number.

It is an amenable number.

405234124 is a deficient number, since it is larger than the sum of its proper divisors (304146324).

405234124 is a wasteful number, since it uses less digits than its factorization.

405234124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536 (or 31534 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 405234124 is about 20130.4278146293. The cubic root of 405234124 is about 740.0061625978.

Adding to 405234124 its reverse (421432504), we get a palindrome (826666628).

The spelling of 405234124 in words is "four hundred five million, two hundred thirty-four thousand, one hundred twenty-four".