1327123427 has 4 divisors (see below), whose sum is σ = 1516712496. Its totient is φ = 1137534360.

The previous prime is 1327123417. The next prime is 1327123453. The reversal of 1327123427 is 7243217231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7243217231 = 23311 ⋅310721.

It is a cyclic number.

It is not a de Polignac number, because 1327123427 - 2¹⁰ = 1327122403 is a prime.

It is a super-2 number, since 2×1327123427² = 3522513180984448658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1327123393 and 1327123402.

It is not an unprimeable number, because it can be changed into a prime (1327123417) 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 in 3 ways as a sum of consecutive naturals, for example, 94794524 + ... + 94794537.

It is an arithmetic number, because the mean of its divisors is an integer number (379178124).

Almost surely, 2^1327123427 is an apocalyptic number.

1327123427 is a deficient number, since it is larger than the sum of its proper divisors (189589069).

1327123427 is an equidigital number, since it uses as much as digits as its factorization.

1327123427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189589068.

The product of its digits is 14112, while the sum is 32.

The square root of 1327123427 is about 36429.7052829144. The cubic root of 1327123427 is about 1098.9310350848.

The spelling of 1327123427 in words is "one billion, three hundred twenty-seven million, one hundred twenty-three thousand, four hundred twenty-seven".