1326042081 has 96 divisors (see below), whose sum is σ = 2518763520. Its totient is φ = 653184000.

The previous prime is 1326042037. The next prime is 1326042181. The reversal of 1326042081 is 1802406231.

1326042081 is a `hidden beast` number, since 1 + 32 + 604 + 20 + 8 + 1 = 666.

It is not a de Polignac number, because 1326042081 - 2²³ = 1317653473 is a prime.

It is a super-2 number, since 2×1326042081² = 3516775201165621122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1326042031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 735381 + ... + 737181.

It is an arithmetic number, because the mean of its divisors is an integer number (26237120).

Almost surely, 2^1326042081 is an apocalyptic number.

It is an amenable number.

1326042081 is a deficient number, since it is larger than the sum of its proper divisors (1192721439).

1326042081 is a wasteful number, since it uses less digits than its factorization.

1326042081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1326042081 is about 36414.8607164712. The cubic root of 1326042081 is about 1098.6324827040.

The spelling of 1326042081 in words is "one billion, three hundred twenty-six million, forty-two thousand, eighty-one".