41143021 has 4 divisors (see below), whose sum is σ = 42931872. Its totient is φ = 39354172.

The previous prime is 41143013. The next prime is 41143099. The reversal of 41143021 is 12034114.

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: 12034114 = 2 ⋅6017057.

It is a cyclic number.

It is not a de Polignac number, because 41143021 - 2³ = 41143013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41142986 and 41143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41743021) 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, 894391 + ... + 894436.

It is an arithmetic number, because the mean of its divisors is an integer number (10732968).

Almost surely, 2^41143021 is an apocalyptic number.

It is an amenable number.

41143021 is a deficient number, since it is larger than the sum of its proper divisors (1788851).

41143021 is a wasteful number, since it uses less digits than its factorization.

41143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788850.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 41143021 is about 6414.2825787457. The cubic root of 41143021 is about 345.2222078961. Note that the first 4 decimals are identical.

Adding to 41143021 its reverse (12034114), we get a palindrome (53177135).

The spelling of 41143021 in words is "forty-one million, one hundred forty-three thousand, twenty-one".