109390129 has 2 divisors, whose sum is σ = 109390130. Its totient is φ = 109390128.

The previous prime is 109390123. The next prime is 109390133. The reversal of 109390129 is 921093901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 4941729 = 10220^2 + 2223^2 .

It is a cyclic number.

It is not a de Polignac number, because 109390129 - 2⁹ = 109389617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109390094 and 109390103.

It is not a weakly prime, because it can be changed into another prime (109390123) 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, 54695064 + 54695065.

It is an arithmetic number, because the mean of its divisors is an integer number (54695065).

Almost surely, 2^109390129 is an apocalyptic number.

It is an amenable number.

109390129 is a deficient number, since it is larger than the sum of its proper divisors (1).

109390129 is an equidigital number, since it uses as much as digits as its factorization.

109390129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 109390129 is about 10458.9736112106. The cubic root of 109390129 is about 478.2548447610.

The spelling of 109390129 in words is "one hundred nine million, three hundred ninety thousand, one hundred twenty-nine".