6121776 has 40 divisors (see below), whose sum is σ = 16003440. Its totient is φ = 2016256.

The previous prime is 6121771. The next prime is 6121793. The reversal of 6121776 is 6771216.

It is a happy number.

It is a super-2 number, since 2×6121776² = 74952282788352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6121771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (400086).

Almost surely, 2^6121776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6121776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8001720).

6121776 is an abundant number, since it is smaller than the sum of its proper divisors (9881664).

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

6121776 is a wasteful number, since it uses less digits than its factorization.

6121776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1527 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 6121776 is about 2474.2223020578. Note that the first 3 decimals coincide. The cubic root of 6121776 is about 182.9331775497.

The spelling of 6121776 in words is "six million, one hundred twenty-one thousand, seven hundred seventy-six".