1119008197 has 4 divisors (see below), whose sum is σ = 1120895820. Its totient is φ = 1117120576.

The previous prime is 1119008179. The next prime is 1119008201. The reversal of 1119008197 is 7918009111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7918009111 = 229 ⋅34576459.

It can be written as a sum of positive squares in 2 ways, for example, as 498450276 + 620557921 = 22326^2 + 24911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119008197 - 2¹⁹ = 1118483909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119008117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942922 + ... + 944107.

It is an arithmetic number, because the mean of its divisors is an integer number (280223955).

Almost surely, 2^1119008197 is an apocalyptic number.

It is an amenable number.

1119008197 is a deficient number, since it is larger than the sum of its proper divisors (1887623).

1119008197 is an equidigital number, since it uses as much as digits as its factorization.

1119008197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887622.

The product of its (nonzero) digits is 4536, while the sum is 37.

The square root of 1119008197 is about 33451.5798879515. The cubic root of 1119008197 is about 1038.1921863149.

The spelling of 1119008197 in words is "one billion, one hundred nineteen million, eight thousand, one hundred ninety-seven".