43012141 has 2 divisors, whose sum is σ = 43012142. Its totient is φ = 43012140.

The previous prime is 43012129. The next prime is 43012183. The reversal of 43012141 is 14121034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 6651241 = 6030^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 43012141 - 2¹³ = 43003949 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41012141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21506070 + 21506071.

It is an arithmetic number, because the mean of its divisors is an integer number (21506071).

Almost surely, 2^43012141 is an apocalyptic number.

It is an amenable number.

43012141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43012141 is an equidigital number, since it uses as much as digits as its factorization.

43012141 is an odious number, because the sum of its binary digits is odd.

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

The square root of 43012141 is about 6558.3642015368. The cubic root of 43012141 is about 350.3727756148.

Adding to 43012141 its reverse (14121034), we get a palindrome (57133175).

The spelling of 43012141 in words is "forty-three million, twelve thousand, one hundred forty-one".