1165114787 has 2 divisors, whose sum is σ = 1165114788. Its totient is φ = 1165114786.

The previous prime is 1165114747. The next prime is 1165114801. The reversal of 1165114787 is 7874115611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1165114787 - 2¹⁶ = 1165049251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165114747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582557393 + 582557394.

It is an arithmetic number, because the mean of its divisors is an integer number (582557394).

Almost surely, 2^1165114787 is an apocalyptic number.

1165114787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165114787 is an equidigital number, since it uses as much as digits as its factorization.

1165114787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 41.

The square root of 1165114787 is about 34133.7778014682. Note that the first 3 decimals coincide. The cubic root of 1165114787 is about 1052.2596196335.

The spelling of 1165114787 in words is "one billion, one hundred sixty-five million, one hundred fourteen thousand, seven hundred eighty-seven".