41421021 has 8 divisors (see below), whose sum is σ = 55650144. Its totient is φ = 27402960.

The previous prime is 41421001. The next prime is 41421041. The reversal of 41421021 is 12012414.

It is an interprime number because it is at equal distance from previous prime (41421001) and next prime (41421041).

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

It is not a de Polignac number, because 41421021 - 2⁵ = 41420989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41421001) 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, 52306 + ... + 53091.

It is an arithmetic number, because the mean of its divisors is an integer number (6956268).

Almost surely, 2^41421021 is an apocalyptic number.

It is an amenable number.

41421021 is a deficient number, since it is larger than the sum of its proper divisors (14229123).

41421021 is a wasteful number, since it uses less digits than its factorization.

41421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105531.

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

The square root of 41421021 is about 6435.9164848528. The cubic root of 41421021 is about 345.9980091658.

Adding to 41421021 its reverse (12012414), we get a palindrome (53433435).

The spelling of 41421021 in words is "forty-one million, four hundred twenty-one thousand, twenty-one".