102789011 has 12 divisors (see below), whose sum is σ = 111684168. Its totient is φ = 94558464.

The previous prime is 102789007. The next prime is 102789017. The reversal of 102789011 is 110987201.

It is not a de Polignac number, because 102789011 - 2² = 102789007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102789017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58796 + ... + 60518.

It is an arithmetic number, because the mean of its divisors is an integer number (9307014).

Almost surely, 2^102789011 is an apocalyptic number.

102789011 is a deficient number, since it is larger than the sum of its proper divisors (8895157).

102789011 is a wasteful number, since it uses less digits than its factorization.

102789011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 102789011 is about 10138.4915544671. The cubic root of 102789011 is about 468.4345244154.

The spelling of 102789011 in words is "one hundred two million, seven hundred eighty-nine thousand, eleven".