122103109 has 2 divisors, whose sum is σ = 122103110. Its totient is φ = 122103108.

The previous prime is 122103077. The next prime is 122103127. The reversal of 122103109 is 901301221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110712484 + 11390625 = 10522^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 122103109 - 2⁵ = 122103077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122103169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051554 + 61051555.

It is an arithmetic number, because the mean of its divisors is an integer number (61051555).

Almost surely, 2^122103109 is an apocalyptic number.

It is an amenable number.

122103109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122103109 is an equidigital number, since it uses as much as digits as its factorization.

122103109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 122103109 is about 11050.0275565267. The cubic root of 122103109 is about 496.1072503182.

The spelling of 122103109 in words is "one hundred twenty-two million, one hundred three thousand, one hundred nine".