40122141 has 4 divisors (see below), whose sum is σ = 53496192. Its totient is φ = 26748092.

The previous prime is 40122107. The next prime is 40122151. The reversal of 40122141 is 14122104.

40122141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 40122141 - 2⁹ = 40121629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40122141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122101) 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 3 ways as a sum of consecutive naturals, for example, 6687021 + ... + 6687026.

It is an arithmetic number, because the mean of its divisors is an integer number (13374048).

Almost surely, 2^40122141 is an apocalyptic number.

It is an amenable number.

40122141 is a deficient number, since it is larger than the sum of its proper divisors (13374051).

40122141 is a wasteful number, since it uses less digits than its factorization.

40122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374050.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40122141 is about 6334.2040541808. The cubic root of 40122141 is about 342.3429325811.

Adding to 40122141 its reverse (14122104), we get a palindrome (54244245).

The spelling of 40122141 in words is "forty million, one hundred twenty-two thousand, one hundred forty-one".