40121183 has 2 divisors, whose sum is σ = 40121184. Its totient is φ = 40121182.

The previous prime is 40121171. The next prime is 40121189. The reversal of 40121183 is 38112104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40121183 - 2⁴ = 40121167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40121189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060591 + 20060592.

It is an arithmetic number, because the mean of its divisors is an integer number (20060592).

Almost surely, 2^40121183 is an apocalyptic number.

40121183 is a deficient number, since it is larger than the sum of its proper divisors (1).

40121183 is an equidigital number, since it uses as much as digits as its factorization.

40121183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40121183 is about 6334.1284325470. The cubic root of 40121183 is about 342.3402078417.

Adding to 40121183 its reverse (38112104), we get a palindrome (78233287).

It can be divided in two parts, 40121 and 183, that added together give a palindrome (40304).

The spelling of 40121183 in words is "forty million, one hundred twenty-one thousand, one hundred eighty-three".