100429109 has 8 divisors (see below), whose sum is σ = 114322752. Its totient is φ = 87329440.

The previous prime is 100429099. The next prime is 100429157. The reversal of 100429109 is 901924001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100429109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100429159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198224 + ... + 198729.

It is an arithmetic number, because the mean of its divisors is an integer number (14290344).

Almost surely, 2^100429109 is an apocalyptic number.

It is an amenable number.

100429109 is a deficient number, since it is larger than the sum of its proper divisors (13893643).

100429109 is a wasteful number, since it uses less digits than its factorization.

100429109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396987.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 100429109 is about 10021.4324824348. The cubic root of 100429109 is about 464.8218518254.

The spelling of 100429109 in words is "one hundred million, four hundred twenty-nine thousand, one hundred nine".