1301123 has 2 divisors, whose sum is σ = 1301124. Its totient is φ = 1301122.

The previous prime is 1301119. The next prime is 1301147. The reversal of 1301123 is 3211031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301123 - 2² = 1301119 is a prime.

It is a super-2 number, since 2×1301123² = 3385842122258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650561 + 650562.

It is an arithmetic number, because the mean of its divisors is an integer number (650562).

2^1301123 is an apocalyptic number.

1301123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301123 is an equidigital number, since it uses as much as digits as its factorization.

1301123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1301123 is about 1140.6677868687. The cubic root of 1301123 is about 109.1707057794.

Adding to 1301123 its reverse (3211031), we get a palindrome (4512154).

The spelling of 1301123 in words is "one million, three hundred one thousand, one hundred twenty-three".