6461128 has 16 divisors (see below), whose sum is σ = 12142080. Its totient is φ = 3223248.

The previous prime is 6461123. The next prime is 6461129. The reversal of 6461128 is 8211646.

It is a junction number, because it is equal to n+sod(n) for n = 6461096 and 6461105.

It is not an unprimeable number, because it can be changed into a prime (6461123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (758880).

Almost surely, 2^6461128 is an apocalyptic number.

It is an amenable number.

6461128 is a deficient number, since it is larger than the sum of its proper divisors (5680952).

6461128 is a wasteful number, since it uses less digits than its factorization.

6461128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1832 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 6461128 is about 2541.8748985739. The cubic root of 6461128 is about 186.2527876705.

The spelling of 6461128 in words is "six million, four hundred sixty-one thousand, one hundred twenty-eight".