102626 has 12 divisors (see below), whose sum is σ = 162582. Its totient is φ = 48576.

The previous prime is 102611. The next prime is 102643. The reversal of 102626 is 626201.

It can be written as a sum of positive squares in only one way, i.e., 89401 + 13225 = 299^2 + 115^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

102626 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 5 ways as a sum of consecutive naturals, for example, 1010 + ... + 1106.

2¹⁰²⁶²⁶ is an apocalyptic number.

102626 is a deficient number, since it is larger than the sum of its proper divisors (59956).

102626 is an equidigital number, since it uses as much as digits as its factorization.

102626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102626 is about 320.3529303752. The cubic root of 102626 is about 46.8186766472.

Adding to 102626 its reverse (626201), we get a palindrome (728827).

The spelling of 102626 in words is "one hundred two thousand, six hundred twenty-six".