109238471 has 4 divisors (see below), whose sum is σ = 109351944. Its totient is φ = 109125000.

The previous prime is 109238449. The next prime is 109238497. The reversal of 109238471 is 174832901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109238471 - 2¹⁸ = 108976327 is a prime.

It is a super-3 number, since 3×109238471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109238071) 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 3 ways as a sum of consecutive naturals, for example, 55280 + ... + 57221.

It is an arithmetic number, because the mean of its divisors is an integer number (27337986).

Almost surely, 2^109238471 is an apocalyptic number.

109238471 is a deficient number, since it is larger than the sum of its proper divisors (113473).

109238471 is an equidigital number, since it uses as much as digits as its factorization.

109238471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113472.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 109238471 is about 10451.7209587704. The cubic root of 109238471 is about 478.0337257297.

The spelling of 109238471 in words is "one hundred nine million, two hundred thirty-eight thousand, four hundred seventy-one".