6121641 has 8 divisors (see below), whose sum is σ = 8197024. Its totient is φ = 4063680.

The previous prime is 6121637. The next prime is 6121651. The reversal of 6121641 is 1461216.

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

It is not a de Polignac number, because 6121641 - 2² = 6121637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121651) 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, 3511 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (1024628).

Almost surely, 2^6121641 is an apocalyptic number.

It is an amenable number.

6121641 is a deficient number, since it is larger than the sum of its proper divisors (2075383).

6121641 is a wasteful number, since it uses less digits than its factorization.

6121641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711.

The product of its digits is 288, while the sum is 21.

The square root of 6121641 is about 2474.1950206077. The cubic root of 6121641 is about 182.9318328331.

Adding to 6121641 its reverse (1461216), we get a palindrome (7582857).

The spelling of 6121641 in words is "six million, one hundred twenty-one thousand, six hundred forty-one".