6120021 has 8 divisors (see below), whose sum is σ = 8244544. Its totient is φ = 4037760.

The previous prime is 6120013. The next prime is 6120083. The reversal of 6120021 is 1200216.

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

It is not a de Polignac number, because 6120021 - 2³ = 6120013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6119979 and 6120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6124021) 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, 10225 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (1030568).

Almost surely, 2^6120021 is an apocalyptic number.

It is an amenable number.

6120021 is a deficient number, since it is larger than the sum of its proper divisors (2124523).

6120021 is a wasteful number, since it uses less digits than its factorization.

6120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21131.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 6120021 is about 2473.8676197404. The cubic root of 6120021 is about 182.9156946922.

Adding to 6120021 its reverse (1200216), we get a palindrome (7320237).

The spelling of 6120021 in words is "six million, one hundred twenty thousand, twenty-one".