1230000004001 has 2 divisors, whose sum is σ = 1230000004002. Its totient is φ = 1230000004000.

The previous prime is 1230000003971. The next prime is 1230000004033. The reversal of 1230000004001 is 1004000000321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932337011776 + 297662992225 = 965576^2 + 545585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230000004001 - 2¹⁸ = 1229999741857 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 (1230000004201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615000002000 + 615000002001.

It is an arithmetic number, because the mean of its divisors is an integer number (615000002001).

Almost surely, 2^{1230000004001} is an apocalyptic number.

It is an amenable number.

1230000004001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230000004001 is an equidigital number, since it uses as much as digits as its factorization.

1230000004001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1230000004001 its reverse (1004000000321), we get a palindrome (2234000004322).

The spelling of 1230000004001 in words is "one trillion, two hundred thirty billion, four thousand, one".