1089114947 has 2 divisors, whose sum is σ = 1089114948. Its totient is φ = 1089114946.

The previous prime is 1089114931. The next prime is 1089114953. The reversal of 1089114947 is 7494119801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1089114947 - 2⁴ = 1089114931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1089114898 and 1089114907.

It is not a weakly prime, because it can be changed into another prime (1089114907) 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, 544557473 + 544557474.

It is an arithmetic number, because the mean of its divisors is an integer number (544557474).

Almost surely, 2^1089114947 is an apocalyptic number.

1089114947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089114947 is an equidigital number, since it uses as much as digits as its factorization.

1089114947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 1089114947 is about 33001.7415752563. The cubic root of 1089114947 is about 1028.8638450832.

The spelling of 1089114947 in words is "one billion, eighty-nine million, one hundred fourteen thousand, nine hundred forty-seven".