41121645 has 16 divisors (see below), whose sum is σ = 66448512. Its totient is φ = 21713600.

The previous prime is 41121637. The next prime is 41121659. The reversal of 41121645 is 54612114.

It is a happy number.

It is not a de Polignac number, because 41121645 - 2³ = 41121637 is a prime.

It is a super-3 number, since 3×41121645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12057 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (4153032).

Almost surely, 2^41121645 is an apocalyptic number.

It is an amenable number.

41121645 is a deficient number, since it is larger than the sum of its proper divisors (25326867).

41121645 is a wasteful number, since it uses less digits than its factorization.

41121645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27252.

The product of its digits is 960, while the sum is 24.

The square root of 41121645 is about 6412.6160808207. The cubic root of 41121645 is about 345.1624104050.

Adding to 41121645 its reverse (54612114), we get a palindrome (95733759).

The spelling of 41121645 in words is "forty-one million, one hundred twenty-one thousand, six hundred forty-five".