102128301243 has 48 divisors (see below), whose sum is σ = 149690784672. Its totient is φ = 67092480000.

The previous prime is 102128301217. The next prime is 102128301259. The reversal of 102128301243 is 342103821201.

102128301243 is a `hidden beast` number, since 102 + 12 + 8 + 301 + 243 = 666.

It is not a de Polignac number, because 102128301243 - 2⁶ = 102128301179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102128301043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159326203 + ... + 159326843.

It is an arithmetic number, because the mean of its divisors is an integer number (3118558014).

Almost surely, 2^102128301243 is an apocalyptic number.

102128301243 is a deficient number, since it is larger than the sum of its proper divisors (47562483429).

102128301243 is a wasteful number, since it uses less digits than its factorization.

102128301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 102128301243 in words is "one hundred two billion, one hundred twenty-eight million, three hundred one thousand, two hundred forty-three".