40271121 has 16 divisors (see below), whose sum is σ = 65085120. Its totient is φ = 24406560.

The previous prime is 40271093. The next prime is 40271123. The reversal of 40271121 is 12117204.

40271121 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 40271121 - 2¹⁴ = 40254737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40271094 and 40271103.

It is not an unprimeable number, because it can be changed into a prime (40271123) 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 15 ways as a sum of consecutive naturals, for example, 67500 + ... + 68093.

It is an arithmetic number, because the mean of its divisors is an integer number (4067820).

Almost surely, 2^40271121 is an apocalyptic number.

It is an amenable number.

40271121 is a deficient number, since it is larger than the sum of its proper divisors (24813999).

40271121 is a wasteful number, since it uses less digits than its factorization.

40271121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135613 (or 135607 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 40271121 is about 6345.9531199025. The cubic root of 40271121 is about 342.7661341035.

Adding to 40271121 its reverse (12117204), we get a palindrome (52388325).

The spelling of 40271121 in words is "forty million, two hundred seventy-one thousand, one hundred twenty-one".