102171867 has 8 divisors (see below), whose sum is σ = 155690496. Its totient is φ = 58383912.

The previous prime is 102171859. The next prime is 102171869. The reversal of 102171867 is 768171201.

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

It is not a de Polignac number, because 102171867 - 2³ = 102171859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102171869) 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 7 ways as a sum of consecutive naturals, for example, 2432643 + ... + 2432684.

It is an arithmetic number, because the mean of its divisors is an integer number (19461312).

Almost surely, 2^102171867 is an apocalyptic number.

102171867 is a deficient number, since it is larger than the sum of its proper divisors (53518629).

102171867 is an equidigital number, since it uses as much as digits as its factorization.

102171867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865337.

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 102171867 is about 10108.0100415463. The cubic root of 102171867 is about 467.4951501303.

The spelling of 102171867 in words is "one hundred two million, one hundred seventy-one thousand, eight hundred sixty-seven".