412100321 has 4 divisors (see below), whose sum is σ = 412240644. Its totient is φ = 411960000.

The previous prime is 412100303. The next prime is 412100341. The reversal of 412100321 is 123001214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300502225 + 111598096 = 17335^2 + 10564^2 .

It is a cyclic number.

It is not a de Polignac number, because 412100321 - 2¹⁸ = 411838177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412100296 and 412100305.

It is not an unprimeable number, because it can be changed into a prime (412100341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65660 + ... + 71661.

It is an arithmetic number, because the mean of its divisors is an integer number (103060161).

Almost surely, 2^412100321 is an apocalyptic number.

It is an amenable number.

412100321 is a deficient number, since it is larger than the sum of its proper divisors (140323).

412100321 is a wasteful number, since it uses less digits than its factorization.

412100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140322.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 412100321 is about 20300.2542102310. The cubic root of 412100321 is about 744.1622768400.

Adding to 412100321 its reverse (123001214), we get a palindrome (535101535).

The spelling of 412100321 in words is "four hundred twelve million, one hundred thousand, three hundred twenty-one".