102989671 has 4 divisors (see below), whose sum is σ = 108410200. Its totient is φ = 97569144.

The previous prime is 102989617. The next prime is 102989713. The reversal of 102989671 is 176989201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102989671 - 2¹⁹ = 102465383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102989371) 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, 2710236 + ... + 2710273.

It is an arithmetic number, because the mean of its divisors is an integer number (27102550).

Almost surely, 2^102989671 is an apocalyptic number.

102989671 is a deficient number, since it is larger than the sum of its proper divisors (5420529).

102989671 is an equidigital number, since it uses as much as digits as its factorization.

102989671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420528.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 102989671 is about 10148.3826790282. The cubic root of 102989671 is about 468.7391450879.

The spelling of 102989671 in words is "one hundred two million, nine hundred eighty-nine thousand, six hundred seventy-one".