19109102 has 8 divisors (see below), whose sum is σ = 28690200. Its totient is φ = 9545704.

The previous prime is 19109089. The next prime is 19109141. The reversal of 19109102 is 20190191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (3586275).

Almost surely, 2^19109102 is an apocalyptic number.

19109102 is a deficient number, since it is larger than the sum of its proper divisors (9581098).

19109102 is a wasteful number, since it uses less digits than its factorization.

19109102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 19109102 is about 4371.3958868993. The cubic root of 19109102 is about 267.3499411673.

Adding to 19109102 its reverse (20190191), we get a palindrome (39299293).

The spelling of 19109102 in words is "nineteen million, one hundred nine thousand, one hundred two".