1201000027 has 2 divisors, whose sum is σ = 1201000028. Its totient is φ = 1201000026.

The previous prime is 1201000007. The next prime is 1201000043. The reversal of 1201000027 is 7200001021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201000027 - 2²³ = 1192611419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200999980 and 1201000016.

It is not a weakly prime, because it can be changed into another prime (1201000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600500013 + 600500014.

It is an arithmetic number, because the mean of its divisors is an integer number (600500014).

Almost surely, 2^1201000027 is an apocalyptic number.

1201000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201000027 is an equidigital number, since it uses as much as digits as its factorization.

1201000027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1201000027 is about 34655.4472918761. The cubic root of 1201000027 is about 1062.9536781267.

Adding to 1201000027 its reverse (7200001021), we get a palindrome (8401001048).

The spelling of 1201000027 in words is "one billion, two hundred one million, twenty-seven", and thus it is an aban number.