116229109 has 2 divisors, whose sum is σ = 116229110. Its totient is φ = 116229108.

The previous prime is 116229101. The next prime is 116229203. The reversal of 116229109 is 901922611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115132900 + 1096209 = 10730^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 116229109 - 2³ = 116229101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116229101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58114554 + 58114555.

It is an arithmetic number, because the mean of its divisors is an integer number (58114555).

Almost surely, 2^116229109 is an apocalyptic number.

It is an amenable number.

116229109 is a deficient number, since it is larger than the sum of its proper divisors (1).

116229109 is an equidigital number, since it uses as much as digits as its factorization.

116229109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 116229109 is about 10780.9604859678. The cubic root of 116229109 is about 488.0207666631.

The spelling of 116229109 in words is "one hundred sixteen million, two hundred twenty-nine thousand, one hundred nine".