3885121 has 2 divisors, whose sum is σ = 3885122. Its totient is φ = 3885120.

The previous prime is 3885109. The next prime is 3885127. The reversal of 3885121 is 1215883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 698896 = 1785^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 3885121 - 2⁹ = 3884609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3885121.

It is not a weakly prime, because it can be changed into another prime (3885127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942560 + 1942561.

It is an arithmetic number, because the mean of its divisors is an integer number (1942561).

Almost surely, 2^3885121 is an apocalyptic number.

It is an amenable number.

3885121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3885121 is an equidigital number, since it uses as much as digits as its factorization.

3885121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 3885121 is about 1971.0710286542. The cubic root of 3885121 is about 157.2056617514.

The spelling of 3885121 in words is "three million, eight hundred eighty-five thousand, one hundred twenty-one".