412121641 has 4 divisors (see below), whose sum is σ = 412214400. Its totient is φ = 412028884.

The previous prime is 412121557. The next prime is 412121663. The reversal of 412121641 is 146121214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412121641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412121041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39361 + ... + 48718.

It is an arithmetic number, because the mean of its divisors is an integer number (103053600).

Almost surely, 2^412121641 is an apocalyptic number.

It is an amenable number.

412121641 is a deficient number, since it is larger than the sum of its proper divisors (92759).

412121641 is an equidigital number, since it uses as much as digits as its factorization.

412121641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92758.

The product of its digits is 384, while the sum is 22.

The square root of 412121641 is about 20300.7793200163. The cubic root of 412121641 is about 744.1751096911.

Adding to 412121641 its reverse (146121214), we get a palindrome (558242855).

The spelling of 412121641 in words is "four hundred twelve million, one hundred twenty-one thousand, six hundred forty-one".