102194 has 8 divisors (see below), whose sum is σ = 157548. Its totient is φ = 49680.

The previous prime is 102191. The next prime is 102197. The reversal of 102194 is 491201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102191) and next prime (102197).

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 4225 = 313^2 + 65^2 .

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

It is a super-2 number, since 2×102194² = 20887227272, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102194.

It is not an unprimeable number, because it can be changed into a prime (102191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617 + ... + 764.

2¹⁰²¹⁹⁴ is an apocalyptic number.

102194 is a deficient number, since it is larger than the sum of its proper divisors (55354).

102194 is a wasteful number, since it uses less digits than its factorization.

102194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 102194 is about 319.6779629565. The cubic root of 102194 is about 46.7528904768.

Adding to 102194 its reverse (491201), we get a palindrome (593395).

The spelling of 102194 in words is "one hundred two thousand, one hundred ninety-four".