102910089 has 4 divisors (see below), whose sum is σ = 137213456. Its totient is φ = 68606724.

The previous prime is 102910079. The next prime is 102910121. The reversal of 102910089 is 980019201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102910089 - 2¹¹ = 102908041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102910019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17151679 + ... + 17151684.

It is an arithmetic number, because the mean of its divisors is an integer number (34303364).

Almost surely, 2^102910089 is an apocalyptic number.

It is an amenable number.

102910089 is a deficient number, since it is larger than the sum of its proper divisors (34303367).

102910089 is an equidigital number, since it uses as much as digits as its factorization.

102910089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34303366.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 102910089 is about 10144.4610009601. The cubic root of 102910089 is about 468.6183795435.

The spelling of 102910089 in words is "one hundred two million, nine hundred ten thousand, eighty-nine".