10128545 has 12 divisors (see below), whose sum is σ = 14138964. Its totient is φ = 6945120.

The previous prime is 10128509. The next prime is 10128551. The reversal of 10128545 is 54582101.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 7491169 = 1624^2 + 2737^2 .

It is not a de Polignac number, because 10128545 - 2¹² = 10124449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20426 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (1178247).

Almost surely, 2^10128545 is an apocalyptic number.

It is an amenable number.

10128545 is a deficient number, since it is larger than the sum of its proper divisors (4010419).

10128545 is an equidigital number, since it uses as much as digits as its factorization.

10128545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41360 (or 41353 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 10128545 is about 3182.5375095983. The cubic root of 10128545 is about 216.3626808703.

The spelling of 10128545 in words is "ten million, one hundred twenty-eight thousand, five hundred forty-five".