1326042131 has 4 divisors (see below), whose sum is σ = 1358384664. Its totient is φ = 1293699600.

The previous prime is 1326042037. The next prime is 1326042181. The reversal of 1326042131 is 1312406231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1326042131 - 2²² = 1321847827 is a prime.

It is a super-2 number, since 2×1326042131² = 3516775466374042322, 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 = 1326042097 and 1326042106.

It is not an unprimeable number, because it can be changed into a prime (1326042181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16171205 + ... + 16171286.

It is an arithmetic number, because the mean of its divisors is an integer number (339596166).

Almost surely, 2^1326042131 is an apocalyptic number.

1326042131 is a deficient number, since it is larger than the sum of its proper divisors (32342533).

1326042131 is an equidigital number, since it uses as much as digits as its factorization.

1326042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32342532.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1326042131 is about 36414.8614030041. The cubic root of 1326042131 is about 1098.6324965125.

Adding to 1326042131 its reverse (1312406231), we get a palindrome (2638448362).

The spelling of 1326042131 in words is "one billion, three hundred twenty-six million, forty-two thousand, one hundred thirty-one".