100117929 has 8 divisors (see below), whose sum is σ = 134510112. Its totient is φ = 66235520.

The previous prime is 100117903. The next prime is 100117931. The reversal of 100117929 is 929711001.

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

It is a cyclic number.

It is not a de Polignac number, because 100117929 - 2⁸ = 100117673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100117896 and 100117905.

It is not an unprimeable number, because it can be changed into a prime (100117939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126984 + ... + 127769.

It is an arithmetic number, because the mean of its divisors is an integer number (16813764).

Almost surely, 2^100117929 is an apocalyptic number.

It is an amenable number.

100117929 is a deficient number, since it is larger than the sum of its proper divisors (34392183).

100117929 is a wasteful number, since it uses less digits than its factorization.

100117929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254887.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 100117929 is about 10005.8947126182. The cubic root of 100117929 is about 464.3412709939.

The spelling of 100117929 in words is "one hundred million, one hundred seventeen thousand, nine hundred twenty-nine".