1120012001 has 2 divisors, whose sum is σ = 1120012002. Its totient is φ = 1120012000.

The previous prime is 1120011983. The next prime is 1120012027. The reversal of 1120012001 is 1002100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1090320400 + 29691601 = 33020^2 + 5449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120012001 - 2²² = 1115817697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120012001.

It is not a weakly prime, because it can be changed into another prime (1120012081) 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, 560006000 + 560006001.

It is an arithmetic number, because the mean of its divisors is an integer number (560006001).

Almost surely, 2^1120012001 is an apocalyptic number.

It is an amenable number.

1120012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120012001 is an equidigital number, since it uses as much as digits as its factorization.

1120012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1120012001 is about 33466.5803601145. The cubic root of 1120012001 is about 1038.5025295904.

Adding to 1120012001 its reverse (1002100211), we get a palindrome (2122112212).

The spelling of 1120012001 in words is "one billion, one hundred twenty million, twelve thousand, one".