100681026 has 32 divisors (see below), whose sum is σ = 206748288. Its totient is φ = 32672640.

The previous prime is 100681001. The next prime is 100681027. The reversal of 100681026 is 620186001.

It is a junction number, because it is equal to n+sod(n) for n = 100680987 and 100681005.

It is not an unprimeable number, because it can be changed into a prime (100681027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42411 + ... + 44721.

It is an arithmetic number, because the mean of its divisors is an integer number (6460884).

Almost surely, 2^100681026 is an apocalyptic number.

100681026 is an abundant number, since it is smaller than the sum of its proper divisors (106067262).

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

100681026 is a wasteful number, since it uses less digits than its factorization.

100681026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 100681026 is about 10033.9935220230. The cubic root of 100681026 is about 465.2101813157.

The spelling of 100681026 in words is "one hundred million, six hundred eighty-one thousand, twenty-six".