109239241 has 2 divisors, whose sum is σ = 109239242. Its totient is φ = 109239240.

The previous prime is 109239199. The next prime is 109239253. The reversal of 109239241 is 142932901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60295225 + 48944016 = 7765^2 + 6996^2 .

It is an emirp because it is prime and its reverse (142932901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109239241 - 2¹⁵ = 109206473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109239271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54619620 + 54619621.

It is an arithmetic number, because the mean of its divisors is an integer number (54619621).

Almost surely, 2^109239241 is an apocalyptic number.

It is an amenable number.

109239241 is a deficient number, since it is larger than the sum of its proper divisors (1).

109239241 is an equidigital number, since it uses as much as digits as its factorization.

109239241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 109239241 is about 10451.7577947444. The cubic root of 109239241 is about 478.0348489149.

It can be divided in two parts, 10923 and 9241, that added together give a square (20164 = 142²).

The spelling of 109239241 in words is "one hundred nine million, two hundred thirty-nine thousand, two hundred forty-one".