1326611123 has 2 divisors, whose sum is σ = 1326611124. Its totient is φ = 1326611122.

The previous prime is 1326611113. The next prime is 1326611137. The reversal of 1326611123 is 3211166231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1326611123 - 2¹⁴ = 1326594739 is a prime.

It is a super-2 number, since 2×1326611123² = 3519794143334642258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1326611092 and 1326611101.

It is not a weakly prime, because it can be changed into another prime (1326611113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663305561 + 663305562.

It is an arithmetic number, because the mean of its divisors is an integer number (663305562).

Almost surely, 2^1326611123 is an apocalyptic number.

1326611123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326611123 is an equidigital number, since it uses as much as digits as its factorization.

1326611123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 1326611123 is about 36422.6731995333. The cubic root of 1326611123 is about 1098.7896116091.

Adding to 1326611123 its reverse (3211166231), we get a palindrome (4537777354).

It can be divided in two parts, 13266 and 11123, that added together give a cube (24389 = 29³).

The spelling of 1326611123 in words is "one billion, three hundred twenty-six million, six hundred eleven thousand, one hundred twenty-three".