1116228097 has 2 divisors, whose sum is σ = 1116228098. Its totient is φ = 1116228096.

The previous prime is 1116228083. The next prime is 1116228103. The reversal of 1116228097 is 7908226111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727704576 + 388523521 = 26976^2 + 19711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116228097 - 2⁷ = 1116227969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116228037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558114048 + 558114049.

It is an arithmetic number, because the mean of its divisors is an integer number (558114049).

Almost surely, 2^1116228097 is an apocalyptic number.

It is an amenable number.

1116228097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116228097 is an equidigital number, since it uses as much as digits as its factorization.

1116228097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1116228097 is about 33409.9999551033. Note that the first 4 decimals coincide. The cubic root of 1116228097 is about 1037.3317006146.

The spelling of 1116228097 in words is "one billion, one hundred sixteen million, two hundred twenty-eight thousand, ninety-seven".