1300220123 has 2 divisors, whose sum is σ = 1300220124. Its totient is φ = 1300220122.

The previous prime is 1300220099. The next prime is 1300220137. The reversal of 1300220123 is 3210220031.

It is a happy number.

It is an a-pointer prime, because the next prime (1300220137) can be obtained adding 1300220123 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1300220123 - 2⁶ = 1300220059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300220098 and 1300220107.

It is not a weakly prime, because it can be changed into another prime (1300220323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650110061 + 650110062.

It is an arithmetic number, because the mean of its divisors is an integer number (650110062).

Almost surely, 2^1300220123 is an apocalyptic number.

1300220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300220123 is an equidigital number, since it uses as much as digits as its factorization.

1300220123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1300220123 is about 36058.5651822143. The cubic root of 1300220123 is about 1091.4544797578.

Adding to 1300220123 its reverse (3210220031), we get a palindrome (4510440154).

The spelling of 1300220123 in words is "one billion, three hundred million, two hundred twenty thousand, one hundred twenty-three".