109978271 has 6 divisors (see below), whose sum is σ = 119089080. Its totient is φ = 101518248.

The previous prime is 109978247. The next prime is 109978273. The reversal of 109978271 is 172879901.

It is not a de Polignac number, because 109978271 - 2¹⁰ = 109977247 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 (109978273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325211 + ... + 325548.

It is an arithmetic number, because the mean of its divisors is an integer number (19848180).

Almost surely, 2^109978271 is an apocalyptic number.

109978271 is a deficient number, since it is larger than the sum of its proper divisors (9110809).

109978271 is an equidigital number, since it uses as much as digits as its factorization.

109978271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650785 (or 650772 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 109978271 is about 10487.0525411099. The cubic root of 109978271 is about 479.1104343068.

The spelling of 109978271 in words is "one hundred nine million, nine hundred seventy-eight thousand, two hundred seventy-one".