3875121 has 24 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 2507760.

The previous prime is 3875101. The next prime is 3875141. The reversal of 3875121 is 1215783.

It is an interprime number because it is at equal distance from previous prime (3875101) and next prime (3875141).

It is not a de Polignac number, because 3875121 - 2⁵ = 3875089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3875101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8776 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^3875121 is an apocalyptic number.

It is an amenable number.

3875121 is a deficient number, since it is larger than the sum of its proper divisors (2100303).

3875121 is an equidigital number, since it uses as much as digits as its factorization.

3875121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 471 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 3875121 is about 1968.5327022938. The cubic root of 3875121 is about 157.0706674716.

The spelling of 3875121 in words is "three million, eight hundred seventy-five thousand, one hundred twenty-one".