102394 has 4 divisors (see below), whose sum is σ = 153594. Its totient is φ = 51196.

The previous prime is 102367. The next prime is 102397. The reversal of 102394 is 493201.

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

It can be written as a sum of positive squares in only one way, i.e., 56169 + 46225 = 237^2 + 215^2 .

It is not an unprimeable number, because it can be changed into a prime (102397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25597 + ... + 25600.

2¹⁰²³⁹⁴ is an apocalyptic number.

102394 is a deficient number, since it is larger than the sum of its proper divisors (51200).

102394 is an equidigital number, since it uses as much as digits as its factorization.

102394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51199.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102394 is about 319.9906248627. The cubic root of 102394 is about 46.7833700380.

Adding to 102394 its reverse (493201), we get a palindrome (595595).

It can be divided in two parts, 102 and 394, that added together give a triangular number (496 = T₃₁).

The spelling of 102394 in words is "one hundred two thousand, three hundred ninety-four".