1091087707 has 2 divisors, whose sum is σ = 1091087708. Its totient is φ = 1091087706.

The previous prime is 1091087651. The next prime is 1091087741. The reversal of 1091087707 is 7077801901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1091087707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1091087707.

It is not a weakly prime, because it can be changed into another prime (1091084707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545543853 + 545543854.

It is an arithmetic number, because the mean of its divisors is an integer number (545543854).

Almost surely, 2^1091087707 is an apocalyptic number.

1091087707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091087707 is an equidigital number, since it uses as much as digits as its factorization.

1091087707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 1091087707 is about 33031.6167784745. The cubic root of 1091087707 is about 1029.4846785963.

The spelling of 1091087707 in words is "one billion, ninety-one million, eighty-seven thousand, seven hundred seven".