420100041 has 4 divisors (see below), whose sum is σ = 560133392. Its totient is φ = 280066692.

The previous prime is 420100019. The next prime is 420100049. The reversal of 420100041 is 140001024.

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 not a de Polignac number, because 420100041 - 2²¹ = 418002889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420100049) 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, 70016671 + ... + 70016676.

It is an arithmetic number, because the mean of its divisors is an integer number (140033348).

Almost surely, 2^420100041 is an apocalyptic number.

It is an amenable number.

420100041 is a deficient number, since it is larger than the sum of its proper divisors (140033351).

420100041 is a wasteful number, since it uses less digits than its factorization.

420100041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140033350.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 420100041 is about 20496.3421370741. The cubic root of 420100041 is about 748.9466938652.

Adding to 420100041 its reverse (140001024), we get a palindrome (560101065).

The spelling of 420100041 in words is "four hundred twenty million, one hundred thousand, forty-one".