43141021 has 12 divisors (see below), whose sum is σ = 54747360. Its totient is φ = 33615960.

The previous prime is 43141003. The next prime is 43141037. The reversal of 43141021 is 12014134.

43141021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43141021 - 2⁵ = 43140989 is a prime.

It is a super-2 number, since 2×43141021² = 3722295385844882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43140986 and 43141004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43141421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39481 + ... + 40558.

It is an arithmetic number, because the mean of its divisors is an integer number (4562280).

Almost surely, 2^43141021 is an apocalyptic number.

It is an amenable number.

43141021 is a deficient number, since it is larger than the sum of its proper divisors (11606339).

43141021 is a wasteful number, since it uses less digits than its factorization.

43141021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80064 (or 80057 counting only the distinct ones).

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

The square root of 43141021 is about 6568.1824731047. The cubic root of 43141021 is about 350.7223747117.

Adding to 43141021 its reverse (12014134), we get a palindrome (55155155).

It can be divided in two parts, 4314 and 1021, that added together give a palindrome (5335).

The spelling of 43141021 in words is "forty-three million, one hundred forty-one thousand, twenty-one".