170103121927 has 2 divisors, whose sum is σ = 170103121928. Its totient is φ = 170103121926.

The previous prime is 170103121841. The next prime is 170103121933. The reversal of 170103121927 is 729121301071.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170103121927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 170103121892 and 170103121901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170103121957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85051560963 + 85051560964.

It is an arithmetic number, because the mean of its divisors is an integer number (85051560964).

Almost surely, 2^170103121927 is an apocalyptic number.

170103121927 is a deficient number, since it is larger than the sum of its proper divisors (1).

170103121927 is an equidigital number, since it uses as much as digits as its factorization.

170103121927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 34.

Adding to 170103121927 its reverse (729121301071), we get a palindrome (899224422998).

The spelling of 170103121927 in words is "one hundred seventy billion, one hundred three million, one hundred twenty-one thousand, nine hundred twenty-seven".