109505901 has 8 divisors (see below), whose sum is σ = 146577024. Its totient is φ = 72719360.

The previous prime is 109505861. The next prime is 109505909.

109505901 is nontrivially palindromic in base 10.

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 109505901 - 2¹¹ = 109503853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109505909) 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, 70245 + ... + 71786.

It is an arithmetic number, because the mean of its divisors is an integer number (18322128).

Almost surely, 2^109505901 is an apocalyptic number.

It is an amenable number.

109505901 is a deficient number, since it is larger than the sum of its proper divisors (37071123).

109505901 is a wasteful number, since it uses less digits than its factorization.

109505901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142291.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 109505901 is about 10464.5067251161. The cubic root of 109505901 is about 478.4235040936.

The spelling of 109505901 in words is "one hundred nine million, five hundred five thousand, nine hundred one".