102698 has 4 divisors (see below), whose sum is σ = 154050. Its totient is φ = 51348.

The previous prime is 102679. The next prime is 102701. The reversal of 102698 is 896201.

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., 100489 + 2209 = 317^2 + 47^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673 + ... + 25676.

2¹⁰²⁶⁹⁸ is an apocalyptic number.

102698 is a deficient number, since it is larger than the sum of its proper divisors (51352).

102698 is an equidigital number, since it uses as much as digits as its factorization.

102698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 102698 is about 320.4652867317. The cubic root of 102698 is about 46.8296230504.

Adding to 102698 its reverse (896201), we get a palindrome (998899).

The spelling of 102698 in words is "one hundred two thousand, six hundred ninety-eight".