1420864001 has 2 divisors, whose sum is σ = 1420864002. Its totient is φ = 1420864000.

The previous prime is 1420863971. The next prime is 1420864037. The reversal of 1420864001 is 1004680241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945624001 + 475240000 = 30751^2 + 21800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420864001 - 2¹⁸ = 1420601857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1420864801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710432000 + 710432001.

It is an arithmetic number, because the mean of its divisors is an integer number (710432001).

Almost surely, 2^1420864001 is an apocalyptic number.

It is an amenable number.

1420864001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420864001 is an equidigital number, since it uses as much as digits as its factorization.

1420864001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1420864001 is about 37694.3497224717. The cubic root of 1420864001 is about 1124.2187830029.

The spelling of 1420864001 in words is "one billion, four hundred twenty million, eight hundred sixty-four thousand, one".