128248597 has 2 divisors, whose sum is σ = 128248598. Its totient is φ = 128248596.

The previous prime is 128248591. The next prime is 128248609. The reversal of 128248597 is 795842821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111323601 + 16924996 = 10551^2 + 4114^2 .

It is an emirp because it is prime and its reverse (795842821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128248597 - 2²³ = 119859989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128248591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64124298 + 64124299.

It is an arithmetic number, because the mean of its divisors is an integer number (64124299).

Almost surely, 2^128248597 is an apocalyptic number.

It is an amenable number.

128248597 is a deficient number, since it is larger than the sum of its proper divisors (1).

128248597 is an equidigital number, since it uses as much as digits as its factorization.

128248597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 128248597 is about 11324.6897087735. The cubic root of 128248597 is about 504.2944720847.

The spelling of 128248597 in words is "one hundred twenty-eight million, two hundred forty-eight thousand, five hundred ninety-seven".