6121806 has 8 divisors (see below), whose sum is σ = 12243624. Its totient is φ = 2040600.

The previous prime is 6121799. The next prime is 6121807. The reversal of 6121806 is 6081216.

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

6121806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510145 + ... + 510156.

It is an arithmetic number, because the mean of its divisors is an integer number (1530453).

Almost surely, 2^6121806 is an apocalyptic number.

6121806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121806 is a wasteful number, since it uses less digits than its factorization.

6121806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020306.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 6121806 is about 2474.2283645614. The cubic root of 6121806 is about 182.9334763729.

The spelling of 6121806 in words is "six million, one hundred twenty-one thousand, eight hundred six".