102126872 has 16 divisors (see below), whose sum is σ = 191599800. Its totient is φ = 51033600.

The previous prime is 102126863. The next prime is 102126889. The reversal of 102126872 is 278621201.

It is a congruent number.

It is an unprimeable 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, 18872 + ... + 23672.

Almost surely, 2^102126872 is an apocalyptic number.

It is an amenable number.

102126872 is a deficient number, since it is larger than the sum of its proper divisors (89472928).

102126872 is a wasteful number, since it uses less digits than its factorization.

102126872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466 (or 7462 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 102126872 is about 10105.7840863537. The cubic root of 102126872 is about 467.4265140387.

The spelling of 102126872 in words is "one hundred two million, one hundred twenty-six thousand, eight hundred seventy-two".