109920799 has 2 divisors, whose sum is σ = 109920800. Its totient is φ = 109920798.

The previous prime is 109920791. The next prime is 109920809. The reversal of 109920799 is 997029901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109920799 - 2³ = 109920791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109920791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54960399 + 54960400.

It is an arithmetic number, because the mean of its divisors is an integer number (54960400).

Almost surely, 2^109920799 is an apocalyptic number.

109920799 is a deficient number, since it is larger than the sum of its proper divisors (1).

109920799 is an equidigital number, since it uses as much as digits as its factorization.

109920799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 109920799 is about 10484.3120422849. The cubic root of 109920799 is about 479.0269625674.

The spelling of 109920799 in words is "one hundred nine million, nine hundred twenty thousand, seven hundred ninety-nine".