109180459 has 2 divisors, whose sum is σ = 109180460. Its totient is φ = 109180458.

The previous prime is 109180433. The next prime is 109180501. The reversal of 109180459 is 954081901.

It is a weak prime.

It is an emirp because it is prime and its reverse (954081901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109180459 - 2¹³ = 109172267 is a prime.

It is not a weakly prime, because it can be changed into another prime (109181459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54590229 + 54590230.

It is an arithmetic number, because the mean of its divisors is an integer number (54590230).

Almost surely, 2^109180459 is an apocalyptic number.

109180459 is a deficient number, since it is larger than the sum of its proper divisors (1).

109180459 is an equidigital number, since it uses as much as digits as its factorization.

109180459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 109180459 is about 10448.9453534795. The cubic root of 109180459 is about 477.9490894816.

The spelling of 109180459 in words is "one hundred nine million, one hundred eighty thousand, four hundred fifty-nine".