1246080001 has 4 divisors (see below), whose sum is σ = 1266507604. Its totient is φ = 1225652400.

The previous prime is 1246079971. The next prime is 1246080013. The reversal of 1246080001 is 1000806421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14070001 + 1232010000 = 3751^2 + 35100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246080001 - 2¹⁵ = 1246047233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1246080071) 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 in 3 ways as a sum of consecutive naturals, for example, 10213710 + ... + 10213831.

It is an arithmetic number, because the mean of its divisors is an integer number (316626901).

Almost surely, 2^1246080001 is an apocalyptic number.

It is an amenable number.

1246080001 is a deficient number, since it is larger than the sum of its proper divisors (20427603).

1246080001 is an equidigital number, since it uses as much as digits as its factorization.

1246080001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427602.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1246080001 is about 35299.8583708207. The cubic root of 1246080001 is about 1076.0901149519.

Adding to 1246080001 its reverse (1000806421), we get a palindrome (2246886422).

The spelling of 1246080001 in words is "one billion, two hundred forty-six million, eighty thousand, one".