1070771309 has 2 divisors, whose sum is σ = 1070771310. Its totient is φ = 1070771308.

The previous prime is 1070771281. The next prime is 1070771357. The reversal of 1070771309 is 9031770701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1070729284 + 42025 = 32722^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070771309 - 2¹² = 1070767213 is a prime.

It is a super-2 number, since 2×1070771309² = 2293102392355146962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070771399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535385654 + 535385655.

It is an arithmetic number, because the mean of its divisors is an integer number (535385655).

Almost surely, 2^1070771309 is an apocalyptic number.

It is an amenable number.

1070771309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070771309 is an equidigital number, since it uses as much as digits as its factorization.

1070771309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 1070771309 is about 32722.6421457681. The cubic root of 1070771309 is about 1023.0548265662.

The spelling of 1070771309 in words is "one billion, seventy million, seven hundred seventy-one thousand, three hundred nine".