41121649 has 4 divisors (see below), whose sum is σ = 41583780. Its totient is φ = 40659520.

The previous prime is 41121637. The next prime is 41121659. The reversal of 41121649 is 94612114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15800625 + 25321024 = 3975^2 + 5032^2 .

It is a cyclic number.

It is not a de Polignac number, because 41121649 - 2¹¹ = 41119601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41121659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230932 + ... + 231109.

It is an arithmetic number, because the mean of its divisors is an integer number (10395945).

Almost surely, 2^41121649 is an apocalyptic number.

It is an amenable number.

41121649 is a deficient number, since it is larger than the sum of its proper divisors (462131).

41121649 is an equidigital number, since it uses as much as digits as its factorization.

41121649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462130.

The product of its digits is 1728, while the sum is 28.

The square root of 41121649 is about 6412.6163927059. The cubic root of 41121649 is about 345.1624215966.

The spelling of 41121649 in words is "forty-one million, one hundred twenty-one thousand, six hundred forty-nine".