4128761 has 16 divisors (see below), whose sum is σ = 5174400. Its totient is φ = 3207168.

The previous prime is 4128749. The next prime is 4128763. The reversal of 4128761 is 1678214.

It is a cyclic number.

It is not a de Polignac number, because 4128761 - 2⁶ = 4128697 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (4128763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4985 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

Almost surely, 2^4128761 is an apocalyptic number.

It is an amenable number.

4128761 is a deficient number, since it is larger than the sum of its proper divisors (1045639).

4128761 is a wasteful number, since it uses less digits than its factorization.

4128761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 2688, while the sum is 29.

The square root of 4128761 is about 2031.9352844025. The cubic root of 4128761 is about 160.4254432559.

The spelling of 4128761 in words is "four million, one hundred twenty-eight thousand, seven hundred sixty-one".