98128801 has 2 divisors, whose sum is σ = 98128802. Its totient is φ = 98128800.

The previous prime is 98128781. The next prime is 98128817. The reversal of 98128801 is 10882189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 24512401 = 8580^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 98128801 - 2¹¹ = 98126753 is a prime.

It is not a weakly prime, because it can be changed into another prime (98128831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49064400 + 49064401.

It is an arithmetic number, because the mean of its divisors is an integer number (49064401).

Almost surely, 2^98128801 is an apocalyptic number.

It is an amenable number.

98128801 is a deficient number, since it is larger than the sum of its proper divisors (1).

98128801 is an equidigital number, since it uses as much as digits as its factorization.

98128801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 98128801 is about 9905.9982333937. The cubic root of 98128801 is about 461.2455233688.

The spelling of 98128801 in words is "ninety-eight million, one hundred twenty-eight thousand, eight hundred one".