412002421 has 4 divisors (see below), whose sum is σ = 417805344. Its totient is φ = 406199500.

The previous prime is 412002419. The next prime is 412002491. The reversal of 412002421 is 124200214.

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 not a de Polignac number, because 412002421 - 2¹ = 412002419 is a prime.

It is a super-2 number, since 2×412002421² = 339491989819722482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412002395 and 412002404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412002491) 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, 2901355 + ... + 2901496.

It is an arithmetic number, because the mean of its divisors is an integer number (104451336).

Almost surely, 2^412002421 is an apocalyptic number.

It is an amenable number.

412002421 is a deficient number, since it is larger than the sum of its proper divisors (5802923).

412002421 is an equidigital number, since it uses as much as digits as its factorization.

412002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802922.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 412002421 is about 20297.8427671514. The cubic root of 412002421 is about 744.1033435714.

Adding to 412002421 its reverse (124200214), we get a palindrome (536202635).

The spelling of 412002421 in words is "four hundred twelve million, two thousand, four hundred twenty-one".