102126 has 8 divisors (see below), whose sum is σ = 204264. Its totient is φ = 34040.

The previous prime is 102121. The next prime is 102139. The reversal of 102126 is 621201.

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

102126 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121) by changing a digit.

102126 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8505 + ... + 8516.

It is an arithmetic number, because the mean of its divisors is an integer number (25533).

2¹⁰²¹²⁶ is an apocalyptic number.

102126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102126 is a wasteful number, since it uses less digits than its factorization.

102126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17026.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102126 is about 319.5715882240. The cubic root of 102126 is about 46.7425183677.

Adding to 102126 its reverse (621201), we get a palindrome (723327).

The spelling of 102126 in words is "one hundred two thousand, one hundred twenty-six".