412460021 has 4 divisors (see below), whose sum is σ = 412632672. Its totient is φ = 412287372.

The previous prime is 412459997. The next prime is 412460047. The reversal of 412460021 is 120064214.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120064214 = 2 ⋅60032107.

It is a cyclic number.

It is not a de Polignac number, because 412460021 - 2¹⁰ = 412458997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412459975 and 412460002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412460051) 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, 82691 + ... + 87536.

It is an arithmetic number, because the mean of its divisors is an integer number (103158168).

Almost surely, 2^412460021 is an apocalyptic number.

It is an amenable number.

412460021 is a deficient number, since it is larger than the sum of its proper divisors (172651).

412460021 is a wasteful number, since it uses less digits than its factorization.

412460021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172650.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 412460021 is about 20309.1117727979. Note that the first 3 decimals coincide. The cubic root of 412460021 is about 744.3787268283.

The spelling of 412460021 in words is "four hundred twelve million, four hundred sixty thousand, twenty-one".