1132021237 has 2 divisors, whose sum is σ = 1132021238. Its totient is φ = 1132021236.

The previous prime is 1132021217. The next prime is 1132021249. The reversal of 1132021237 is 7321202311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611770756 + 520250481 = 24734^2 + 22809^2 .

It is an emirp because it is prime and its reverse (7321202311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132021237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566010618 + 566010619.

It is an arithmetic number, because the mean of its divisors is an integer number (566010619).

Almost surely, 2^1132021237 is an apocalyptic number.

It is an amenable number.

1132021237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132021237 is an equidigital number, since it uses as much as digits as its factorization.

1132021237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1132021237 is about 33645.5232831947. The cubic root of 1132021237 is about 1042.2010942157.

Adding to 1132021237 its reverse (7321202311), we get a palindrome (8453223548).

The spelling of 1132021237 in words is "one billion, one hundred thirty-two million, twenty-one thousand, two hundred thirty-seven".