109085929 has 2 divisors, whose sum is σ = 109085930. Its totient is φ = 109085928.

The previous prime is 109085917. The next prime is 109085939. The reversal of 109085929 is 929580901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104591529 + 4494400 = 10227^2 + 2120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109085929 is a prime.

It is not a weakly prime, because it can be changed into another prime (109085939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54542964 + 54542965.

It is an arithmetic number, because the mean of its divisors is an integer number (54542965).

Almost surely, 2^109085929 is an apocalyptic number.

It is an amenable number.

109085929 is a deficient number, since it is larger than the sum of its proper divisors (1).

109085929 is an equidigital number, since it uses as much as digits as its factorization.

109085929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 109085929 is about 10444.4209509192. The cubic root of 109085929 is about 477.8111112713.

The spelling of 109085929 in words is "one hundred nine million, eighty-five thousand, nine hundred twenty-nine".