1073161729 has 2 divisors, whose sum is σ = 1073161730. Its totient is φ = 1073161728.

The previous prime is 1073161699. The next prime is 1073161799. The reversal of 1073161729 is 9271613701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993951729 + 79210000 = 31527^2 + 8900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073161729 - 2¹⁷ = 1073030657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073161799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536580864 + 536580865.

It is an arithmetic number, because the mean of its divisors is an integer number (536580865).

Almost surely, 2^1073161729 is an apocalyptic number.

It is an amenable number.

1073161729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073161729 is an equidigital number, since it uses as much as digits as its factorization.

1073161729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1073161729 is about 32759.1472569113. The cubic root of 1073161729 is about 1023.8155595468.

The spelling of 1073161729 in words is "one billion, seventy-three million, one hundred sixty-one thousand, seven hundred twenty-nine".