1133243197 has 2 divisors, whose sum is σ = 1133243198. Its totient is φ = 1133243196.

The previous prime is 1133243131. The next prime is 1133243227. The reversal of 1133243197 is 7913423311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084648356 + 48594841 = 32934^2 + 6971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133243197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133243597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566621598 + 566621599.

It is an arithmetic number, because the mean of its divisors is an integer number (566621599).

Almost surely, 2^1133243197 is an apocalyptic number.

It is an amenable number.

1133243197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133243197 is an equidigital number, since it uses as much as digits as its factorization.

1133243197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 1133243197 is about 33663.6777105533. The cubic root of 1133243197 is about 1042.5759605891.

The spelling of 1133243197 in words is "one billion, one hundred thirty-three million, two hundred forty-three thousand, one hundred ninety-seven".