1110389197 has 2 divisors, whose sum is σ = 1110389198. Its totient is φ = 1110389196.

The previous prime is 1110389177. The next prime is 1110389201. The reversal of 1110389197 is 7919830111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557857161 + 552532036 = 23619^2 + 23506^2 .

It is an emirp because it is prime and its reverse (7919830111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110389197 - 2⁷ = 1110389069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110389177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555194598 + 555194599.

It is an arithmetic number, because the mean of its divisors is an integer number (555194599).

Almost surely, 2^1110389197 is an apocalyptic number.

It is an amenable number.

1110389197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110389197 is an equidigital number, since it uses as much as digits as its factorization.

1110389197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 40.

The square root of 1110389197 is about 33322.5028621801. The cubic root of 1110389197 is about 1035.5198045535.

The spelling of 1110389197 in words is "one billion, one hundred ten million, three hundred eighty-nine thousand, one hundred ninety-seven".