109597771 has 2 divisors, whose sum is σ = 109597772. Its totient is φ = 109597770.

The previous prime is 109597769. The next prime is 109597781. The reversal of 109597771 is 177795901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109597771 - 2¹ = 109597769 is a prime.

Together with 109597769, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109597721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54798885 + 54798886.

It is an arithmetic number, because the mean of its divisors is an integer number (54798886).

Almost surely, 2^109597771 is an apocalyptic number.

109597771 is a deficient number, since it is larger than the sum of its proper divisors (1).

109597771 is an equidigital number, since it uses as much as digits as its factorization.

109597771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138915, while the sum is 46.

The square root of 109597771 is about 10468.8954049604. The cubic root of 109597771 is about 478.5572578647.

The spelling of 109597771 in words is "one hundred nine million, five hundred ninety-seven thousand, seven hundred seventy-one".