128103853 has 2 divisors, whose sum is σ = 128103854. Its totient is φ = 128103852.

The previous prime is 128103851. The next prime is 128103869. The reversal of 128103853 is 358301821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115734564 + 12369289 = 10758^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 128103853 - 2¹ = 128103851 is a prime.

Together with 128103851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128103851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64051926 + 64051927.

It is an arithmetic number, because the mean of its divisors is an integer number (64051927).

Almost surely, 2^128103853 is an apocalyptic number.

It is an amenable number.

128103853 is a deficient number, since it is larger than the sum of its proper divisors (1).

128103853 is an equidigital number, since it uses as much as digits as its factorization.

128103853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 128103853 is about 11318.2972659318. The cubic root of 128103853 is about 504.1046816342.

The spelling of 128103853 in words is "one hundred twenty-eight million, one hundred three thousand, eight hundred fifty-three".