1027647149 has 2 divisors, whose sum is σ = 1027647150. Its totient is φ = 1027647148.

The previous prime is 1027647121. The next prime is 1027647211. The reversal of 1027647149 is 9417467201.

1027647149 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 can be written as a sum of positive squares in only one way, i.e., 811851049 + 215796100 = 28493^2 + 14690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027647149 - 2¹² = 1027643053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1027647119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513823574 + 513823575.

It is an arithmetic number, because the mean of its divisors is an integer number (513823575).

Almost surely, 2^1027647149 is an apocalyptic number.

It is an amenable number.

1027647149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027647149 is an equidigital number, since it uses as much as digits as its factorization.

1027647149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1027647149 is about 32056.9360513446. The cubic root of 1027647149 is about 1009.1320678155.

The spelling of 1027647149 in words is "one billion, twenty-seven million, six hundred forty-seven thousand, one hundred forty-nine".