6201121 has 4 divisors (see below), whose sum is σ = 6209200. Its totient is φ = 6193044.

The previous prime is 6201109. The next prime is 6201149. The reversal of 6201121 is 1211026.

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 6201121 - 2⁹ = 6200609 is a prime.

It is a Duffinian number.

6201121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6201161) 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, 2751 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (1552300).

Almost surely, 2^6201121 is an apocalyptic number.

It is an amenable number.

6201121 is a deficient number, since it is larger than the sum of its proper divisors (8079).

6201121 is an equidigital number, since it uses as much as digits as its factorization.

6201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 6201121 is about 2490.2050116406. The cubic root of 6201121 is about 183.7201262617.

Adding to 6201121 its reverse (1211026), we get a palindrome (7412147).

The spelling of 6201121 in words is "six million, two hundred one thousand, one hundred twenty-one".