102826 has 4 divisors (see below), whose sum is σ = 154242. Its totient is φ = 51412.

The previous prime is 102811. The next prime is 102829. The reversal of 102826 is 628201.

It is a happy number.

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., 93025 + 9801 = 305^2 + 99^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (102829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705 + ... + 25708.

2¹⁰²⁸²⁶ is an apocalyptic number.

102826 is a deficient number, since it is larger than the sum of its proper divisors (51416).

102826 is an equidigital number, since it uses as much as digits as its factorization.

102826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102826 is about 320.6649341603. The cubic root of 102826 is about 46.8490706967.

The spelling of 102826 in words is "one hundred two thousand, eight hundred twenty-six".