100965109 has 8 divisors (see below), whose sum is σ = 119111168. Its totient is φ = 83749680.

The previous prime is 100965103. The next prime is 100965121. The reversal of 100965109 is 901569001.

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

It is not a de Polignac number, because 100965109 - 2⁵ = 100965077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100965103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232422 + ... + 232855.

It is an arithmetic number, because the mean of its divisors is an integer number (14888896).

Almost surely, 2^100965109 is an apocalyptic number.

It is an amenable number.

100965109 is a deficient number, since it is larger than the sum of its proper divisors (18146059).

100965109 is an equidigital number, since it uses as much as digits as its factorization.

100965109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465315.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 100965109 is about 10048.1395790465. The cubic root of 100965109 is about 465.6473182942.

The spelling of 100965109 in words is "one hundred million, nine hundred sixty-five thousand, one hundred nine".