102194943 has 8 divisors (see below), whose sum is σ = 136311168. Its totient is φ = 68104344.

The previous prime is 102194929. The next prime is 102194993. The reversal of 102194943 is 349491201.

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

It is not a de Polignac number, because 102194943 - 2¹³ = 102186751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102194993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6780 + ... + 15822.

It is an arithmetic number, because the mean of its divisors is an integer number (17038896).

Almost surely, 2^102194943 is an apocalyptic number.

102194943 is a deficient number, since it is larger than the sum of its proper divisors (34116225).

102194943 is an equidigital number, since it uses as much as digits as its factorization.

102194943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 102194943 is about 10109.1514480692. The cubic root of 102194943 is about 467.5303428121.

The spelling of 102194943 in words is "one hundred two million, one hundred ninety-four thousand, nine hundred forty-three".