109217441 has 4 divisors (see below), whose sum is σ = 110343492. Its totient is φ = 108091392.

The previous prime is 109217431. The next prime is 109217477. The reversal of 109217441 is 144712901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144712901 = 101 ⋅1432801.

It can be written as a sum of positive squares in 2 ways, for example, as 67240000 + 41977441 = 8200^2 + 6479^2 .

It is a cyclic number.

It is not a de Polignac number, because 109217441 - 2¹⁰ = 109216417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109217411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562880 + ... + 563073.

It is an arithmetic number, because the mean of its divisors is an integer number (27585873).

Almost surely, 2^109217441 is an apocalyptic number.

It is an amenable number.

109217441 is a deficient number, since it is larger than the sum of its proper divisors (1126051).

109217441 is an equidigital number, since it uses as much as digits as its factorization.

109217441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126050.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 109217441 is about 10450.7148559321. The cubic root of 109217441 is about 478.0030476046.

The spelling of 109217441 in words is "one hundred nine million, two hundred seventeen thousand, four hundred forty-one".