128030801 has 2 divisors, whose sum is σ = 128030802. Its totient is φ = 128030800.

The previous prime is 128030789. The next prime is 128030803. The reversal of 128030801 is 108030821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108139201 + 19891600 = 10399^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 128030801 - 2¹⁰ = 128029777 is a prime.

Together with 128030803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128030803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64015400 + 64015401.

It is an arithmetic number, because the mean of its divisors is an integer number (64015401).

Almost surely, 2^128030801 is an apocalyptic number.

It is an amenable number.

128030801 is a deficient number, since it is larger than the sum of its proper divisors (1).

128030801 is an equidigital number, since it uses as much as digits as its factorization.

128030801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 128030801 is about 11315.0696418537. The cubic root of 128030801 is about 504.0088404954.

The spelling of 128030801 in words is "one hundred twenty-eight million, thirty thousand, eight hundred one".