128091083 has 2 divisors, whose sum is σ = 128091084. Its totient is φ = 128091082.

The previous prime is 128091059. The next prime is 128091133. The reversal of 128091083 is 380190821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128091083 - 2²² = 123896779 is a prime.

It is a super-2 number, since 2×128091083² = 32814651088225778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128091043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64045541 + 64045542.

It is an arithmetic number, because the mean of its divisors is an integer number (64045542).

Almost surely, 2^128091083 is an apocalyptic number.

128091083 is a deficient number, since it is larger than the sum of its proper divisors (1).

128091083 is an equidigital number, since it uses as much as digits as its factorization.

128091083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 128091083 is about 11317.7331210804. The cubic root of 128091083 is about 504.0879305619.

The spelling of 128091083 in words is "one hundred twenty-eight million, ninety-one thousand, eighty-three".