41239109 has 2 divisors, whose sum is σ = 41239110. Its totient is φ = 41239108.

The previous prime is 41239091. The next prime is 41239181. The reversal of 41239109 is 90193214.

It is a happy number.

Together with previous prime (41239091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 10956100 = 5503^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 41239109 - 2⁸ = 41238853 is a prime.

It is a super-2 number, since 2×41239109² = 3401328222227762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41239199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20619554 + 20619555.

It is an arithmetic number, because the mean of its divisors is an integer number (20619555).

Almost surely, 2^41239109 is an apocalyptic number.

It is an amenable number.

41239109 is a deficient number, since it is larger than the sum of its proper divisors (1).

41239109 is an equidigital number, since it uses as much as digits as its factorization.

41239109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 41239109 is about 6421.7683701610. The cubic root of 41239109 is about 345.4907501697.

The spelling of 41239109 in words is "forty-one million, two hundred thirty-nine thousand, one hundred nine".