128488453 has 2 divisors, whose sum is σ = 128488454. Its totient is φ = 128488452.

The previous prime is 128488441. The next prime is 128488471. The reversal of 128488453 is 354884821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126855169 + 1633284 = 11263^2 + 1278^2 .

It is an emirp because it is prime and its reverse (354884821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128488453 - 2⁵ = 128488421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128488433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64244226 + 64244227.

It is an arithmetic number, because the mean of its divisors is an integer number (64244227).

Almost surely, 2^128488453 is an apocalyptic number.

It is an amenable number.

128488453 is a deficient number, since it is larger than the sum of its proper divisors (1).

128488453 is an equidigital number, since it uses as much as digits as its factorization.

128488453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 43.

The square root of 128488453 is about 11335.2747209761. The cubic root of 128488453 is about 504.6086606450.

The spelling of 128488453 in words is "one hundred twenty-eight million, four hundred eighty-eight thousand, four hundred fifty-three".