109266121 has 2 divisors, whose sum is σ = 109266122. Its totient is φ = 109266120.

The previous prime is 109266119. The next prime is 109266151. The reversal of 109266121 is 121662901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102819600 + 6446521 = 10140^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 109266121 - 2¹ = 109266119 is a prime.

Together with 109266119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 109266121.

It is not a weakly prime, because it can be changed into another prime (109266151) 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, 54633060 + 54633061.

It is an arithmetic number, because the mean of its divisors is an integer number (54633061).

Almost surely, 2^109266121 is an apocalyptic number.

It is an amenable number.

109266121 is a deficient number, since it is larger than the sum of its proper divisors (1).

109266121 is an equidigital number, since it uses as much as digits as its factorization.

109266121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 109266121 is about 10453.0436237490. The cubic root of 109266121 is about 478.0740549817.

The spelling of 109266121 in words is "one hundred nine million, two hundred sixty-six thousand, one hundred twenty-one".