128101319 has 2 divisors, whose sum is σ = 128101320. Its totient is φ = 128101318.

The previous prime is 128101313. The next prime is 128101327. The reversal of 128101319 is 913101821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128101319 - 2⁸ = 128101063 is a prime.

It is a super-2 number, since 2×128101319² = 32819895859079522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128101313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64050659 + 64050660.

It is an arithmetic number, because the mean of its divisors is an integer number (64050660).

Almost surely, 2^128101319 is an apocalyptic number.

128101319 is a deficient number, since it is larger than the sum of its proper divisors (1).

128101319 is an equidigital number, since it uses as much as digits as its factorization.

128101319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 128101319 is about 11318.1853227450. The cubic root of 128101319 is about 504.1013577433.

The spelling of 128101319 in words is "one hundred twenty-eight million, one hundred one thousand, three hundred nineteen".