1012021027 has 2 divisors, whose sum is σ = 1012021028. Its totient is φ = 1012021026.

The previous prime is 1012021019. The next prime is 1012021069. The reversal of 1012021027 is 7201202101.

1012021027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012021027 - 2³ = 1012021019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012021027.

It is not a weakly prime, because it can be changed into another prime (1012021627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010513 + 506010514.

It is an arithmetic number, because the mean of its divisors is an integer number (506010514).

Almost surely, 2^1012021027 is an apocalyptic number.

1012021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012021027 is an equidigital number, since it uses as much as digits as its factorization.

1012021027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1012021027 is about 31812.2779284980. The cubic root of 1012021027 is about 1003.9910592554.

Adding to 1012021027 its reverse (7201202101), we get a palindrome (8213223128).

The spelling of 1012021027 in words is "one billion, twelve million, twenty-one thousand, twenty-seven".