107389181 has 2 divisors, whose sum is σ = 107389182. Its totient is φ = 107389180.

The previous prime is 107389171. The next prime is 107389193. The reversal of 107389181 is 181983701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 28783225 = 8866^2 + 5365^2 .

It is an emirp because it is prime and its reverse (181983701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107389181 is a prime.

It is a super-2 number, since 2×107389181² = 23064872391701522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107389111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53694590 + 53694591.

It is an arithmetic number, because the mean of its divisors is an integer number (53694591).

Almost surely, 2^107389181 is an apocalyptic number.

It is an amenable number.

107389181 is a deficient number, since it is larger than the sum of its proper divisors (1).

107389181 is an equidigital number, since it uses as much as digits as its factorization.

107389181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 107389181 is about 10362.8751319313. The cubic root of 107389181 is about 475.3208262861.

The spelling of 107389181 in words is "one hundred seven million, three hundred eighty-nine thousand, one hundred eighty-one".