411042021 has 8 divisors (see below), whose sum is σ = 590214240. Its totient is φ = 252948912.

The previous prime is 411042019. The next prime is 411042091. The reversal of 411042021 is 120240114.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 411042021 - 2¹ = 411042019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411042001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269731 + ... + 5269808.

It is an arithmetic number, because the mean of its divisors is an integer number (73776780).

Almost surely, 2^411042021 is an apocalyptic number.

It is an amenable number.

411042021 is a deficient number, since it is larger than the sum of its proper divisors (179172219).

411042021 is a wasteful number, since it uses less digits than its factorization.

411042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539555.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 411042021 is about 20274.1712777613. The cubic root of 411042021 is about 743.5247119738.

Adding to 411042021 its reverse (120240114), we get a palindrome (531282135).

The spelling of 411042021 in words is "four hundred eleven million, forty-two thousand, twenty-one".