3860121 has 4 divisors (see below), whose sum is σ = 5146832. Its totient is φ = 2573412.

The previous prime is 3860117. The next prime is 3860123. The reversal of 3860121 is 1210683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3860121 - 2² = 3860117 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3860123) 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 3 ways as a sum of consecutive naturals, for example, 643351 + ... + 643356.

It is an arithmetic number, because the mean of its divisors is an integer number (1286708).

Almost surely, 2^3860121 is an apocalyptic number.

It is an amenable number.

3860121 is a deficient number, since it is larger than the sum of its proper divisors (1286711).

3860121 is a wasteful number, since it uses less digits than its factorization.

3860121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286710.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3860121 is about 1964.7190638867. The cubic root of 3860121 is about 156.8677399115.

The spelling of 3860121 in words is "three million, eight hundred sixty thousand, one hundred twenty-one".