1151326073 has 2 divisors, whose sum is σ = 1151326074. Its totient is φ = 1151326072.

The previous prime is 1151326063. The next prime is 1151326087. The reversal of 1151326073 is 3706231511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140547984 + 10778089 = 33772^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151326073 - 2⁶ = 1151326009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1151326063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575663036 + 575663037.

It is an arithmetic number, because the mean of its divisors is an integer number (575663037).

Almost surely, 2^1151326073 is an apocalyptic number.

It is an amenable number.

1151326073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151326073 is an equidigital number, since it uses as much as digits as its factorization.

1151326073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1151326073 is about 33931.1961622340. The cubic root of 1151326073 is about 1048.0920978563.

Adding to 1151326073 its reverse (3706231511), we get a palindrome (4857557584).

The spelling of 1151326073 in words is "one billion, one hundred fifty-one million, three hundred twenty-six thousand, seventy-three".