10128557 has 2 divisors, whose sum is σ = 10128558. Its totient is φ = 10128556.

The previous prime is 10128551. The next prime is 10128563. The reversal of 10128557 is 75582101.

10128557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (10128551) and next prime (10128563).

It can be written as a sum of positive squares in only one way, i.e., 8185321 + 1943236 = 2861^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 10128557 - 2⁶ = 10128493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10128551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064278 + 5064279.

It is an arithmetic number, because the mean of its divisors is an integer number (5064279).

Almost surely, 2^10128557 is an apocalyptic number.

It is an amenable number.

10128557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128557 is an equidigital number, since it uses as much as digits as its factorization.

10128557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 10128557 is about 3182.5393948858. The cubic root of 10128557 is about 216.3627663169.

The spelling of 10128557 in words is "ten million, one hundred twenty-eight thousand, five hundred fifty-seven".