128000371 has 2 divisors, whose sum is σ = 128000372. Its totient is φ = 128000370.

The previous prime is 128000363. The next prime is 128000393. The reversal of 128000371 is 173000821.

It is an a-pointer prime, because the next prime (128000393) can be obtained adding 128000371 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128000371 - 2³ = 128000363 is a prime.

It is a super-2 number, since 2×128000371² = 32768189952275282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128000071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64000185 + 64000186.

It is an arithmetic number, because the mean of its divisors is an integer number (64000186).

Almost surely, 2^128000371 is an apocalyptic number.

128000371 is a deficient number, since it is larger than the sum of its proper divisors (1).

128000371 is an equidigital number, since it uses as much as digits as its factorization.

128000371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 128000371 is about 11313.7248950114. The cubic root of 128000371 is about 503.9689068645.

The spelling of 128000371 in words is "one hundred twenty-eight million, three hundred seventy-one", and thus it is an aban number.