3021121 has 8 divisors (see below), whose sum is σ = 3245184. Its totient is φ = 2802240.

The previous prime is 3021107. The next prime is 3021131. The reversal of 3021121 is 1211203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3021121 - 2⁵ = 3021089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021098 and 3021107.

It is not an unprimeable number, because it can be changed into a prime (3021101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (405648).

Almost surely, 2^3021121 is an apocalyptic number.

It is an amenable number.

3021121 is a deficient number, since it is larger than the sum of its proper divisors (224063).

3021121 is a wasteful number, since it uses less digits than its factorization.

3021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3021121 is about 1738.1372212803. The cubic root of 3021121 is about 144.5626297475.

Adding to 3021121 its reverse (1211203), we get a palindrome (4232324).

The spelling of 3021121 in words is "three million, twenty-one thousand, one hundred twenty-one".