1230000001 has 4 divisors (see below), whose sum is σ = 1236373252. Its totient is φ = 1223626752.

The previous prime is 1229999999. The next prime is 1230000047. The reversal of 1230000001 is 1000000321.

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 772895601 + 457104400 = 27801^2 + 21380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230000001 - 2¹ = 1229999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230000091) 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, 3186336 + ... + 3186721.

It is an arithmetic number, because the mean of its divisors is an integer number (309093313).

Almost surely, 2^1230000001 is an apocalyptic number.

It is an amenable number.

1230000001 is a deficient number, since it is larger than the sum of its proper divisors (6373251).

1230000001 is an equidigital number, since it uses as much as digits as its factorization.

1230000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373250.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1230000001 is about 35071.3558477570. The cubic root of 1230000001 is about 1071.4412699811.

Adding to 1230000001 its reverse (1000000321), we get a palindrome (2230000322).

The spelling of 1230000001 in words is "one billion, two hundred thirty million, one", and thus it is an aban number.