1087747229 has 2 divisors, whose sum is σ = 1087747230. Its totient is φ = 1087747228.

The previous prime is 1087747217. The next prime is 1087747247. The reversal of 1087747229 is 9227477801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 923856025 + 163891204 = 30395^2 + 12802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087747229 - 2⁸ = 1087746973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087747279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543873614 + 543873615.

It is an arithmetic number, because the mean of its divisors is an integer number (543873615).

Almost surely, 2^1087747229 is an apocalyptic number.

It is an amenable number.

1087747229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087747229 is an equidigital number, since it uses as much as digits as its factorization.

1087747229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 1087747229 is about 32981.0131590890. The cubic root of 1087747229 is about 1028.4329799203.

The spelling of 1087747229 in words is "one billion, eighty-seven million, seven hundred forty-seven thousand, two hundred twenty-nine".