41781121 has 8 divisors (see below), whose sum is σ = 44773344. Its totient is φ = 38848320.

The previous prime is 41781109. The next prime is 41781143. The reversal of 41781121 is 12118714.

41781121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41781121 - 2¹⁵ = 41748353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41781161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13395 + ... + 16216.

It is an arithmetic number, because the mean of its divisors is an integer number (5596668).

Almost surely, 2^41781121 is an apocalyptic number.

It is an amenable number.

41781121 is a deficient number, since it is larger than the sum of its proper divisors (2992223).

41781121 is a wasteful number, since it uses less digits than its factorization.

41781121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29711.

The product of its digits is 448, while the sum is 25.

The square root of 41781121 is about 6463.8317583303. The cubic root of 41781121 is about 346.9977797752.

Adding to 41781121 its reverse (12118714), we get a palindrome (53899835).

The spelling of 41781121 in words is "forty-one million, seven hundred eighty-one thousand, one hundred twenty-one".