128102339 has 2 divisors, whose sum is σ = 128102340. Its totient is φ = 128102338.

The previous prime is 128102321. The next prime is 128102347. The reversal of 128102339 is 933201821.

It is a strong prime.

It is an emirp because it is prime and its reverse (933201821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128102339 - 2⁸ = 128102083 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 (128102369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64051169 + 64051170.

It is an arithmetic number, because the mean of its divisors is an integer number (64051170).

Almost surely, 2^128102339 is an apocalyptic number.

128102339 is a deficient number, since it is larger than the sum of its proper divisors (1).

128102339 is an equidigital number, since it uses as much as digits as its factorization.

128102339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 128102339 is about 11318.2303828823. The cubic root of 128102339 is about 504.1026956999.

The spelling of 128102339 in words is "one hundred twenty-eight million, one hundred two thousand, three hundred thirty-nine".