130122193 has 2 divisors, whose sum is σ = 130122194. Its totient is φ = 130122192.

The previous prime is 130122191. The next prime is 130122227. The reversal of 130122193 is 391221031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97950609 + 32171584 = 9897^2 + 5672^2 .

It is an emirp because it is prime and its reverse (391221031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130122193 - 2¹ = 130122191 is a prime.

It is a super-2 number, since 2×130122193² = 33863570222258498, which contains 22 as substring.

Together with 130122191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130122191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65061096 + 65061097.

It is an arithmetic number, because the mean of its divisors is an integer number (65061097).

Almost surely, 2^130122193 is an apocalyptic number.

It is an amenable number.

130122193 is a deficient number, since it is larger than the sum of its proper divisors (1).

130122193 is an equidigital number, since it uses as much as digits as its factorization.

130122193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 130122193 is about 11407.1115099310. Note that the first 3 decimals coincide. The cubic root of 130122193 is about 506.7383714210.

The spelling of 130122193 in words is "one hundred thirty million, one hundred twenty-two thousand, one hundred ninety-three".