412140321 has 24 divisors (see below), whose sum is σ = 609223680. Its totient is φ = 268364736.

The previous prime is 412140317. The next prime is 412140329. The reversal of 412140321 is 123041214.

It is not a de Polignac number, because 412140321 - 2² = 412140317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 412140294 and 412140303.

It is not an unprimeable number, because it can be changed into a prime (412140329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364485 + ... + 365613.

It is an arithmetic number, because the mean of its divisors is an integer number (25384320).

Almost surely, 2^412140321 is an apocalyptic number.

It is an amenable number.

412140321 is a deficient number, since it is larger than the sum of its proper divisors (197083359).

412140321 is a wasteful number, since it uses less digits than its factorization.

412140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 412140321 is about 20301.2393956625. The cubic root of 412140321 is about 744.1863531199.

Adding to 412140321 its reverse (123041214), we get a palindrome (535181535).

The spelling of 412140321 in words is "four hundred twelve million, one hundred forty thousand, three hundred twenty-one".