6542121 has 8 divisors (see below), whose sum is σ = 8768800. Its totient is φ = 4338432.

The previous prime is 6542119. The next prime is 6542131. The reversal of 6542121 is 1212456.

6542121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6542121 - 2¹ = 6542119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6542101) 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, 5071 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (1096100).

Almost surely, 2^6542121 is an apocalyptic number.

It is an amenable number.

6542121 is a deficient number, since it is larger than the sum of its proper divisors (2226679).

6542121 is a wasteful number, since it uses less digits than its factorization.

6542121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495.

The product of its digits is 480, while the sum is 21.

The square root of 6542121 is about 2557.7570252078. The cubic root of 6542121 is about 187.0278109761.

Adding to 6542121 its reverse (1212456), we get a palindrome (7754577).

It can be divided in two parts, 654 and 2121, that added together give a triangular number (2775 = T₇₄).

The spelling of 6542121 in words is "six million, five hundred forty-two thousand, one hundred twenty-one".