1327045001 has 4 divisors (see below), whose sum is σ = 1327183104. Its totient is φ = 1326906900.

The previous prime is 1327044989. The next prime is 1327045009. The reversal of 1327045001 is 1005407231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1005407231 = 97 ⋅10365023.

It is a cyclic number.

It is not a de Polignac number, because 1327045001 - 2⁶ = 1327044937 is a prime.

It is a super-2 number, since 2×1327045001² = 3522096869358180002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1327045009) 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, 53465 + ... + 74246.

It is an arithmetic number, because the mean of its divisors is an integer number (331795776).

Almost surely, 2^1327045001 is an apocalyptic number.

It is an amenable number.

1327045001 is a deficient number, since it is larger than the sum of its proper divisors (138103).

1327045001 is a wasteful number, since it uses less digits than its factorization.

1327045001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138102.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1327045001 is about 36428.6288652208. The cubic root of 1327045001 is about 1098.9093876476.

The spelling of 1327045001 in words is "one billion, three hundred twenty-seven million, forty-five thousand, one".