40971143 has 2 divisors, whose sum is σ = 40971144. Its totient is φ = 40971142.

The previous prime is 40971137. The next prime is 40971149. The reversal of 40971143 is 34117904.

40971143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40971137) and next prime (40971149).

It is a cyclic number.

It is not a de Polignac number, because 40971143 - 2⁴ = 40971127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40971149) 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 as a sum of consecutive naturals, namely, 20485571 + 20485572.

It is an arithmetic number, because the mean of its divisors is an integer number (20485572).

Almost surely, 2^40971143 is an apocalyptic number.

40971143 is a deficient number, since it is larger than the sum of its proper divisors (1).

40971143 is an equidigital number, since it uses as much as digits as its factorization.

40971143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40971143 is about 6400.8704876759. The cubic root of 40971143 is about 344.7408065107.

It can be divided in two parts, 40971 and 143, that added together give a palindrome (41114).

The spelling of 40971143 in words is "forty million, nine hundred seventy-one thousand, one hundred forty-three".