3860820121 has 8 divisors (see below), whose sum is σ = 4067300000. Its totient is φ = 3654668160.

The previous prime is 3860820109. The next prime is 3860820143. The reversal of 3860820121 is 1210280683.

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 3860820121 - 2¹⁵ = 3860787353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3860820151) 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, 57615 + ... + 105076.

It is an arithmetic number, because the mean of its divisors is an integer number (508412500).

Almost surely, 2^3860820121 is an apocalyptic number.

It is an amenable number.

3860820121 is a deficient number, since it is larger than the sum of its proper divisors (206479879).

3860820121 is a wasteful number, since it uses less digits than its factorization.

3860820121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163959.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 3860820121 is about 62135.4980747720. The cubic root of 3860820121 is about 1568.7720964153.

The spelling of 3860820121 in words is "three billion, eight hundred sixty million, eight hundred twenty thousand, one hundred twenty-one".