6261128 has 8 divisors (see below), whose sum is σ = 11739630. Its totient is φ = 3130560.

The previous prime is 6261121. The next prime is 6261173. The reversal of 6261128 is 8211626.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 2427364 = 1958^2 + 1558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6261097 and 6261106.

It is not an unprimeable number, because it can be changed into a prime (6261121) 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 as a sum of consecutive naturals, namely, 391313 + ... + 391328.

Almost surely, 2^6261128 is an apocalyptic number.

It is an amenable number.

6261128 is a deficient number, since it is larger than the sum of its proper divisors (5478502).

6261128 is a wasteful number, since it uses less digits than its factorization.

6261128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782647 (or 782643 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 6261128 is about 2502.2246102219. The cubic root of 6261128 is about 184.3108325207.

The spelling of 6261128 in words is "six million, two hundred sixty-one thousand, one hundred twenty-eight".