109898741 has 2 divisors, whose sum is σ = 109898742. Its totient is φ = 109898740.

The previous prime is 109898729. The next prime is 109898743. The reversal of 109898741 is 147898901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90801841 + 19096900 = 9529^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 109898741 - 2¹⁰ = 109897717 is a prime.

It is a Sophie Germain prime.

Together with 109898743, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109898743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54949370 + 54949371.

It is an arithmetic number, because the mean of its divisors is an integer number (54949371).

Almost surely, 2^109898741 is an apocalyptic number.

It is an amenable number.

109898741 is a deficient number, since it is larger than the sum of its proper divisors (1).

109898741 is an equidigital number, since it uses as much as digits as its factorization.

109898741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 109898741 is about 10483.2600368397. The cubic root of 109898741 is about 478.9949180296.

The spelling of 109898741 in words is "one hundred nine million, eight hundred ninety-eight thousand, seven hundred forty-one".