3875129 has 4 divisors (see below), whose sum is σ = 3882576. Its totient is φ = 3867684.

The previous prime is 3875101. The next prime is 3875141. The reversal of 3875129 is 9215783.

3875129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 3875129 - 2¹⁶ = 3809593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3875159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (970644).

Almost surely, 2^3875129 is an apocalyptic number.

It is an amenable number.

3875129 is a deficient number, since it is larger than the sum of its proper divisors (7447).

3875129 is an equidigital number, since it uses as much as digits as its factorization.

3875129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446.

The product of its digits is 15120, while the sum is 35.

The square root of 3875129 is about 1968.5347342630. The cubic root of 3875129 is about 157.0707755598.

It can be divided in two parts, 3875 and 129, that added together give a palindrome (4004).

The spelling of 3875129 in words is "three million, eight hundred seventy-five thousand, one hundred twenty-nine".