109792117 has 2 divisors, whose sum is σ = 109792118. Its totient is φ = 109792116.

The previous prime is 109792099. The next prime is 109792139. The reversal of 109792117 is 711297901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88943761 + 20848356 = 9431^2 + 4566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109792117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109792147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54896058 + 54896059.

It is an arithmetic number, because the mean of its divisors is an integer number (54896059).

Almost surely, 2^109792117 is an apocalyptic number.

It is an amenable number.

109792117 is a deficient number, since it is larger than the sum of its proper divisors (1).

109792117 is an equidigital number, since it uses as much as digits as its factorization.

109792117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 109792117 is about 10478.1733618031. The cubic root of 109792117 is about 478.8399605981.

The spelling of 109792117 in words is "one hundred nine million, seven hundred ninety-two thousand, one hundred seventeen".