103120320137 has 2 divisors, whose sum is σ = 103120320138. Its totient is φ = 103120320136.

The previous prime is 103120320089. The next prime is 103120320157. The reversal of 103120320137 is 731023021301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99328346896 + 3791973241 = 315164^2 + 61579^2 .

It is a cyclic number.

It is not a de Polignac number, because 103120320137 - 2⁸ = 103120319881 is a prime.

It is not a weakly prime, because it can be changed into another prime (103120320157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560160068 + 51560160069.

It is an arithmetic number, because the mean of its divisors is an integer number (51560160069).

Almost surely, 2^103120320137 is an apocalyptic number.

It is an amenable number.

103120320137 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120320137 is an equidigital number, since it uses as much as digits as its factorization.

103120320137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 103120320137 its reverse (731023021301), we get a palindrome (834143341438).

The spelling of 103120320137 in words is "one hundred three billion, one hundred twenty million, three hundred twenty thousand, one hundred thirty-seven".