2371121 has 4 divisors (see below), whose sum is σ = 2377200. Its totient is φ = 2365044.

The previous prime is 2371111. The next prime is 2371123. The reversal of 2371121 is 1211732.

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 a de Polignac number, because none of the positive numbers 2^k-2371121 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2371121.

It is not an unprimeable number, because it can be changed into a prime (2371123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (594300).

2^2371121 is an apocalyptic number.

It is an amenable number.

2371121 is a deficient number, since it is larger than the sum of its proper divisors (6079).

2371121 is an equidigital number, since it uses as much as digits as its factorization.

2371121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078.

The product of its digits is 84, while the sum is 17.

The square root of 2371121 is about 1539.8444726660. The cubic root of 2371121 is about 133.3474061535.

Adding to 2371121 its reverse (1211732), we get a palindrome (3582853).

It can be divided in two parts, 23711 and 21, that added together give a palindrome (23732).

The spelling of 2371121 in words is "two million, three hundred seventy-one thousand, one hundred twenty-one".