107681149 has 2 divisors, whose sum is σ = 107681150. Its totient is φ = 107681148.

The previous prime is 107681143. The next prime is 107681173. The reversal of 107681149 is 941186701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 44796249 = 7930^2 + 6693^2 .

It is a cyclic number.

It is not a de Polignac number, because 107681149 - 2⁵ = 107681117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107681143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53840574 + 53840575.

It is an arithmetic number, because the mean of its divisors is an integer number (53840575).

Almost surely, 2^107681149 is an apocalyptic number.

It is an amenable number.

107681149 is a deficient number, since it is larger than the sum of its proper divisors (1).

107681149 is an equidigital number, since it uses as much as digits as its factorization.

107681149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 107681149 is about 10376.9527800795. The cubic root of 107681149 is about 475.7512013940.

The spelling of 107681149 in words is "one hundred seven million, six hundred eighty-one thousand, one hundred forty-nine".