128452403 has 2 divisors, whose sum is σ = 128452404. Its totient is φ = 128452402.

The previous prime is 128452367. The next prime is 128452409. The reversal of 128452403 is 304254821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128452403 - 2⁸ = 128452147 is a prime.

It is not a weakly prime, because it can be changed into another prime (128452409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64226201 + 64226202.

It is an arithmetic number, because the mean of its divisors is an integer number (64226202).

Almost surely, 2^128452403 is an apocalyptic number.

128452403 is a deficient number, since it is larger than the sum of its proper divisors (1).

128452403 is an equidigital number, since it uses as much as digits as its factorization.

128452403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 128452403 is about 11333.6844406398. The cubic root of 128452403 is about 504.5614635536.

The spelling of 128452403 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, four hundred three".