109105237 has 2 divisors, whose sum is σ = 109105238. Its totient is φ = 109105236.

The previous prime is 109105231. The next prime is 109105253. The reversal of 109105237 is 732501901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93431556 + 15673681 = 9666^2 + 3959^2 .

It is an emirp because it is prime and its reverse (732501901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109105237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109105231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54552618 + 54552619.

It is an arithmetic number, because the mean of its divisors is an integer number (54552619).

Almost surely, 2^109105237 is an apocalyptic number.

It is an amenable number.

109105237 is a deficient number, since it is larger than the sum of its proper divisors (1).

109105237 is an equidigital number, since it uses as much as digits as its factorization.

109105237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 109105237 is about 10445.3452312501. The cubic root of 109105237 is about 477.8393001580.

The spelling of 109105237 in words is "one hundred nine million, one hundred five thousand, two hundred thirty-seven".