102168519 has 4 divisors (see below), whose sum is σ = 136224696. Its totient is φ = 68112344.

The previous prime is 102168511. The next prime is 102168523. The reversal of 102168519 is 915861201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915861201 = 3 ⋅305287067.

It is a cyclic number.

It is not a de Polignac number, because 102168519 - 2³ = 102168511 is a prime.

It is a super-2 number, since 2×102168519² = 20876812549306722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102168519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102168511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17028084 + ... + 17028089.

It is an arithmetic number, because the mean of its divisors is an integer number (34056174).

Almost surely, 2^102168519 is an apocalyptic number.

102168519 is a deficient number, since it is larger than the sum of its proper divisors (34056177).

102168519 is an equidigital number, since it uses as much as digits as its factorization.

102168519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34056176.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 102168519 is about 10107.8444289571. The cubic root of 102168519 is about 467.4900437316.

The spelling of 102168519 in words is "one hundred two million, one hundred sixty-eight thousand, five hundred nineteen".