6255121004 has 12 divisors (see below), whose sum is σ = 11941594728. Its totient is φ = 2843236800.

The previous prime is 6255121001. The next prime is 6255121021. The reversal of 6255121004 is 4001215526.

It is not an unprimeable number, because it can be changed into a prime (6255121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71080877 + ... + 71080964.

It is an arithmetic number, because the mean of its divisors is an integer number (995132894).

Almost surely, 2^6255121004 is an apocalyptic number.

It is an amenable number.

6255121004 is a deficient number, since it is larger than the sum of its proper divisors (5686473724).

6255121004 is a wasteful number, since it uses less digits than its factorization.

6255121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142161856 (or 142161854 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 6255121004 is about 79089.3229456417. The cubic root of 6255121004 is about 1842.5187037126.

The spelling of 6255121004 in words is "six billion, two hundred fifty-five million, one hundred twenty-one thousand, four".