60128861 has 16 divisors (see below), whose sum is σ = 67326000. Its totient is φ = 53319168.

The previous prime is 60128857. The next prime is 60128867. The reversal of 60128861 is 16882106.

It can be written as a sum of positive squares in 8 ways, for example, as 1223236 + 58905625 = 1106^2 + 7675^2 .

It is not a de Polignac number, because 60128861 - 2² = 60128857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60128867) 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 15 ways as a sum of consecutive naturals, for example, 131345 + ... + 131801.

It is an arithmetic number, because the mean of its divisors is an integer number (4207875).

Almost surely, 2^60128861 is an apocalyptic number.

It is an amenable number.

60128861 is a deficient number, since it is larger than the sum of its proper divisors (7197139).

60128861 is a wasteful number, since it uses less digits than its factorization.

60128861 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 (nonzero) digits is 4608, while the sum is 32.

The square root of 60128861 is about 7754.2801729110. The cubic root of 60128861 is about 391.7668269166.

The spelling of 60128861 in words is "sixty million, one hundred twenty-eight thousand, eight hundred sixty-one".