102126836 has 24 divisors (see below), whose sum is σ = 204570240. Its totient is φ = 43700832.

The previous prime is 102126821. The next prime is 102126841. The reversal of 102126836 is 638621201.

It is a junction number, because it is equal to n+sod(n) for n = 102126799 and 102126808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18350 + ... + 23258.

It is an arithmetic number, because the mean of its divisors is an integer number (8523760).

Almost surely, 2^102126836 is an apocalyptic number.

It is an amenable number.

102126836 is an abundant number, since it is smaller than the sum of its proper divisors (102443404).

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

102126836 is a wasteful number, since it uses less digits than its factorization.

102126836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663 (or 5661 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102126836 is about 10105.7823051954. The cubic root of 102126836 is about 467.4264591157.

The spelling of 102126836 in words is "one hundred two million, one hundred twenty-six thousand, eight hundred thirty-six".