1301020027 has 2 divisors, whose sum is σ = 1301020028. Its totient is φ = 1301020026.

The previous prime is 1301020009. The next prime is 1301020057. The reversal of 1301020027 is 7200201031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301020027 - 2⁷ = 1301019899 is a prime.

It is a super-2 number, since 2×1301020027² = 3385306221310161458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301020057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650510013 + 650510014.

It is an arithmetic number, because the mean of its divisors is an integer number (650510014).

Almost surely, 2^1301020027 is an apocalyptic number.

1301020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301020027 is an equidigital number, since it uses as much as digits as its factorization.

1301020027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1301020027 is about 36069.6552104397. The cubic root of 1301020027 is about 1091.6782572072.

Adding to 1301020027 its reverse (7200201031), we get a palindrome (8501221058).

The spelling of 1301020027 in words is "one billion, three hundred one million, twenty thousand, twenty-seven".