1152422237 has 2 divisors, whose sum is σ = 1152422238. Its totient is φ = 1152422236.

The previous prime is 1152422203. The next prime is 1152422273. The reversal of 1152422237 is 7322242511.

Together with next prime (1152422273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950242276 + 202179961 = 30826^2 + 14219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152422237 - 2¹⁴ = 1152405853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152442237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576211118 + 576211119.

It is an arithmetic number, because the mean of its divisors is an integer number (576211119).

Almost surely, 2^1152422237 is an apocalyptic number.

It is an amenable number.

1152422237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152422237 is an equidigital number, since it uses as much as digits as its factorization.

1152422237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 1152422237 is about 33947.3450655570. The cubic root of 1152422237 is about 1048.4246177317.

Adding to 1152422237 its reverse (7322242511), we get a palindrome (8474664748).

The spelling of 1152422237 in words is "one billion, one hundred fifty-two million, four hundred twenty-two thousand, two hundred thirty-seven".