100729956 has 12 divisors (see below), whose sum is σ = 235036592. Its totient is φ = 33576648.

The previous prime is 100729931. The next prime is 100729957. The reversal of 100729956 is 659927001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (100729957) 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 3 ways as a sum of consecutive naturals, for example, 4197070 + ... + 4197093.

Almost surely, 2^100729956 is an apocalyptic number.

It is an amenable number.

100729956 is an abundant number, since it is smaller than the sum of its proper divisors (134306636).

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

100729956 is a wasteful number, since it uses less digits than its factorization.

100729956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394170 (or 8394168 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 100729956 is about 10036.4314375180. The cubic root of 100729956 is about 465.2855316525.

The spelling of 100729956 in words is "one hundred million, seven hundred twenty-nine thousand, nine hundred fifty-six".