1131706273 has 2 divisors, whose sum is σ = 1131706274. Its totient is φ = 1131706272.

The previous prime is 1131706223. The next prime is 1131706319. The reversal of 1131706273 is 3726071311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1066871569 + 64834704 = 32663^2 + 8052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131706273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131706223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565853136 + 565853137.

It is an arithmetic number, because the mean of its divisors is an integer number (565853137).

Almost surely, 2^1131706273 is an apocalyptic number.

It is an amenable number.

1131706273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131706273 is an equidigital number, since it uses as much as digits as its factorization.

1131706273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1131706273 is about 33640.8423348762. The cubic root of 1131706273 is about 1042.1044275151.

Adding to 1131706273 its reverse (3726071311), we get a palindrome (4857777584).

The spelling of 1131706273 in words is "one billion, one hundred thirty-one million, seven hundred six thousand, two hundred seventy-three".