100235109 has 16 divisors (see below), whose sum is σ = 147819392. Its totient is φ = 60015168.

The previous prime is 100235101. The next prime is 100235117. The reversal of 100235109 is 901532001.

It is an interprime number because it is at equal distance from previous prime (100235101) and next prime (100235117).

It is not a de Polignac number, because 100235109 - 2³ = 100235101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100235101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33289 + ... + 36174.

It is an arithmetic number, because the mean of its divisors is an integer number (9238712).

Almost surely, 2^100235109 is an apocalyptic number.

It is an amenable number.

100235109 is a deficient number, since it is larger than the sum of its proper divisors (47584283).

100235109 is a wasteful number, since it uses less digits than its factorization.

100235109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69516.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 100235109 is about 10011.7485485803. The cubic root of 100235109 is about 464.5223584254.

The spelling of 100235109 in words is "one hundred million, two hundred thirty-five thousand, one hundred nine".