10128403 has 2 divisors, whose sum is σ = 10128404. Its totient is φ = 10128402.

The previous prime is 10128347. The next prime is 10128409. The reversal of 10128403 is 30482101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128403 is a prime.

It is not a weakly prime, because it can be changed into another prime (10128409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064201 + 5064202.

It is an arithmetic number, because the mean of its divisors is an integer number (5064202).

Almost surely, 2^10128403 is an apocalyptic number.

10128403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128403 is an equidigital number, since it uses as much as digits as its factorization.

10128403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10128403 is about 3182.5152002779. The cubic root of 10128403 is about 216.3616697463.

The spelling of 10128403 in words is "ten million, one hundred twenty-eight thousand, four hundred three".