41123989 has 2 divisors, whose sum is σ = 41123990. Its totient is φ = 41123988.

The previous prime is 41123987. The next prime is 41124029. The reversal of 41123989 is 98932114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 3301489 = 6150^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 41123989 - 2¹ = 41123987 is a prime.

Together with 41123987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41123987) 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, 20561994 + 20561995.

It is an arithmetic number, because the mean of its divisors is an integer number (20561995).

Almost surely, 2^41123989 is an apocalyptic number.

It is an amenable number.

41123989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41123989 is an equidigital number, since it uses as much as digits as its factorization.

41123989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 41123989 is about 6412.7988429390. The cubic root of 41123989 is about 345.1689685515.

The spelling of 41123989 in words is "forty-one million, one hundred twenty-three thousand, nine hundred eighty-nine".