128446027 has 2 divisors, whose sum is σ = 128446028. Its totient is φ = 128446026.

The previous prime is 128446013. The next prime is 128446049. The reversal of 128446027 is 720644821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128446027 - 2⁷ = 128445899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128445983 and 128446001.

It is not a weakly prime, because it can be changed into another prime (128446057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64223013 + 64223014.

It is an arithmetic number, because the mean of its divisors is an integer number (64223014).

Almost surely, 2^128446027 is an apocalyptic number.

128446027 is a deficient number, since it is larger than the sum of its proper divisors (1).

128446027 is an equidigital number, since it uses as much as digits as its factorization.

128446027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 128446027 is about 11333.4031517457. The cubic root of 128446027 is about 504.5531150991.

The spelling of 128446027 in words is "one hundred twenty-eight million, four hundred forty-six thousand, twenty-seven".