6220121 has 8 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 6015328.

The previous prime is 6220117. The next prime is 6220129. The reversal of 6220121 is 1210226.

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 6220121 - 2² = 6220117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6220096 and 6220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220129) 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, 3440 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^6220121 is an apocalyptic number.

It is an amenable number.

6220121 is a deficient number, since it is larger than the sum of its proper divisors (208039).

6220121 is a wasteful number, since it uses less digits than its factorization.

6220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 6220121 is about 2494.0170408399. The cubic root of 6220121 is about 183.9075721202.

Adding to 6220121 its reverse (1210226), we get a palindrome (7430347).

The spelling of 6220121 in words is "six million, two hundred twenty thousand, one hundred twenty-one".