1061396771 has 2 divisors, whose sum is σ = 1061396772. Its totient is φ = 1061396770.

The previous prime is 1061396747. The next prime is 1061396803. The reversal of 1061396771 is 1776931601.

It is a happy number.

1061396771 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 1061396771 - 2¹⁰ = 1061395747 is a prime.

It is a super-2 number, since 2×1061396771² = 2253126210978452882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061396711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530698385 + 530698386.

It is an arithmetic number, because the mean of its divisors is an integer number (530698386).

Almost surely, 2^1061396771 is an apocalyptic number.

1061396771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061396771 is an equidigital number, since it uses as much as digits as its factorization.

1061396771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1061396771 is about 32579.0848705116. The cubic root of 1061396771 is about 1020.0604766782.

The spelling of 1061396771 in words is "one billion, sixty-one million, three hundred ninety-six thousand, seven hundred seventy-one".