103107149 has 2 divisors, whose sum is σ = 103107150. Its totient is φ = 103107148.

The previous prime is 103107139. The next prime is 103107157. The reversal of 103107149 is 941701301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68591524 + 34515625 = 8282^2 + 5875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103107149 is a prime.

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 (103107119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51553574 + 51553575.

It is an arithmetic number, because the mean of its divisors is an integer number (51553575).

Almost surely, 2^103107149 is an apocalyptic number.

It is an amenable number.

103107149 is a deficient number, since it is larger than the sum of its proper divisors (1).

103107149 is an equidigital number, since it uses as much as digits as its factorization.

103107149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 103107149 is about 10154.1690452740. The cubic root of 103107149 is about 468.9173040958.

The spelling of 103107149 in words is "one hundred three million, one hundred seven thousand, one hundred forty-nine".