10128577 has 6 divisors (see below), whose sum is σ = 10690098. Its totient is φ = 9595152.

The previous prime is 10128571. The next prime is 10128593. The reversal of 10128577 is 77582101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 1343281 = 2964^2 + 1159^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10128577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10128571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13668 + ... + 14389.

It is an arithmetic number, because the mean of its divisors is an integer number (1781683).

Almost surely, 2^10128577 is an apocalyptic number.

It is an amenable number.

10128577 is a deficient number, since it is larger than the sum of its proper divisors (561521).

10128577 is an equidigital number, since it uses as much as digits as its factorization.

10128577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28095 (or 28076 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 10128577 is about 3182.5425370292. The cubic root of 10128577 is about 216.3629087279.

The spelling of 10128577 in words is "ten million, one hundred twenty-eight thousand, five hundred seventy-seven".