3981037105 has 8 divisors (see below), whose sum is σ = 4812115752. Its totient is φ = 3161582208.

The previous prime is 3981037103. The next prime is 3981037129. The reversal of 3981037105 is 5017301893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1235381904 + 2745655201 = 35148^2 + 52399^2 .

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 3981037105 - 2¹ = 3981037103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981037103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2905182 + ... + 2906551.

It is an arithmetic number, because the mean of its divisors is an integer number (601514469).

Almost surely, 2^3981037105 is an apocalyptic number.

It is an amenable number.

3981037105 is a deficient number, since it is larger than the sum of its proper divisors (831078647).

3981037105 is a wasteful number, since it uses less digits than its factorization.

3981037105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811875.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 3981037105 is about 63095.4602566619. The cubic root of 3981037105 is about 1584.8886008741. Note that the first 3 decimals are identical.

Adding to 3981037105 its reverse (5017301893), we get a palindrome (8998338998).

The spelling of 3981037105 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, one hundred five".