6121021 has 8 divisors (see below), whose sum is σ = 6618080. Its totient is φ = 5641488.

The previous prime is 6120997. The next prime is 6121057. The reversal of 6121021 is 1201216.

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 6121021 - 2⁷ = 6120893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6120992 and 6121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121091) 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, 3651 + ... + 5056.

It is an arithmetic number, because the mean of its divisors is an integer number (827260).

Almost surely, 2^6121021 is an apocalyptic number.

It is an amenable number.

6121021 is a deficient number, since it is larger than the sum of its proper divisors (497059).

6121021 is a wasteful number, since it uses less digits than its factorization.

6121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763.

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

The square root of 6121021 is about 2474.0697241590. The cubic root of 6121021 is about 182.9256568439.

Adding to 6121021 its reverse (1201216), we get a palindrome (7322237).

The spelling of 6121021 in words is "six million, one hundred twenty-one thousand, twenty-one".