128061371 has 2 divisors, whose sum is σ = 128061372. Its totient is φ = 128061370.

The previous prime is 128061359. The next prime is 128061377. The reversal of 128061371 is 173160821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128061371 - 2²² = 123867067 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128061377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64030685 + 64030686.

It is an arithmetic number, because the mean of its divisors is an integer number (64030686).

Almost surely, 2^128061371 is an apocalyptic number.

128061371 is a deficient number, since it is larger than the sum of its proper divisors (1).

128061371 is an equidigital number, since it uses as much as digits as its factorization.

128061371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 128061371 is about 11316.4204146011. The cubic root of 128061371 is about 504.0489514791.

The spelling of 128061371 in words is "one hundred twenty-eight million, sixty-one thousand, three hundred seventy-one".