2002141 has 4 divisors (see below), whose sum is σ = 2119932. Its totient is φ = 1884352.

The previous prime is 2002093. The next prime is 2002151. The reversal of 2002141 is 1412002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1412002 = 2 ⋅706001.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 910116 = 1045^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002141 - 2¹¹ = 2000093 is a prime.

It is a Duffinian number.

2002141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002151) 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, 58870 + ... + 58903.

It is an arithmetic number, because the mean of its divisors is an integer number (529983).

2^2002141 is an apocalyptic number.

It is an amenable number.

2002141 is a deficient number, since it is larger than the sum of its proper divisors (117791).

2002141 is a wasteful number, since it uses less digits than its factorization.

2002141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117790.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2002141 is about 1414.9703177099. The cubic root of 2002141 is about 126.0370471392.

Adding to 2002141 its reverse (1412002), we get a palindrome (3414143).

It can be divided in two parts, 2002 and 141, that multiplied together give a palindrome (282282).

The spelling of 2002141 in words is "two million, two thousand, one hundred forty-one".